Jazmin Velez variable assignment

problems/variables.js

@@ -2,56 +2,109 @@
 
 // Age Calculator:
 //  * Store your birth year in a constant variable.
+const myBirthday = 1990
 //  * Store a future year in a variable.
+let futureYear = 2022
 //  * Calculate your 2 possible ages for that year based on the stored values.
+
 //  * For example, if you were born in 1988, then in 2026 you'll be either 37 or 38, depending on what month it is in 2026.
 //  * Log them to the screen like so: "I will be either `ageMin` or `ageMax` in `futureYear`", substituting the values.
+let ageMin = (futureYear - myBirthday)
+let ageMax = ((futureYear - myBirthday) + 1)
+
+console.log("I will be either " +  ageMin + " or " + ageMax)
 
 // ## Problem Two
 
 // Snack Supply Calculator:
 //  * Store your current age in a variable.
+const myAge = 30
 //  * Store a maximum age in a constant variable.
+let maxAge = 100
 //  * Store an estimated snack amount per day (as a number).
+let snackNumber = 3
 //  * Calculate how many snacks you would eat total, from your current age until the maximum age.
+console.log(((maxAge - myAge) * 365 ) * snackNumber)
 //  * Log the result to the screen like this: "You will need `snackNumber` to last you until the age of `maxAge`".
+console.log(( "You will need " + ((maxAge - myAge) * 365 ) * snackNumber) + " to last me until the age of " + maxAge)
 
 // ## Problem Three
 
 // Calculate properties of a circle, using the definitions: http://math2.org/math/geometry/circles.htm 
 //  * Store a radius into a variable.
+let radius = 27
+let pI = 3.141519 
 //  * Calculate the circumference based on the radius, and log "The circumference is `circumferenceResult`".
+circumferenceResult = ((2 * pI ) * radius) 
+console.log( "The circumference is " + circumferenceResult )
 //  * Calculate the area based on the radius, and log "The area is `areaOfCircle`".
+let areaOfCircle = (pI * radius^2)
+
+console.log( "The area is " + areaOfCircle ) 
+
+
 //  * Hint: https://www.w3schools.com/jsref/jsref_pi.asp
 
 // ## Problem Four
 
 // Temperature Converter:
 //  * Store a celsius temperature into a variable.
+let tempInCelsius = 1.7
+
 //  * Convert it to fahrenheit and output "`tempInCelsius`°C is `tempInFahrenheit`°F".
+
+let tempInFarenheit = (( 9/5 * tempInCelsius ) + 32)
+console.log( tempInCelsius + "°C" + " is " + tempInFarenheit + "°F" )
+
 //  * Now store a fahrenheit temperature into a variable.
-//  * Convert it to celsius and output "`tempInFahrenheit`°F is `tempInCelsius`°C."
+let tempInFahrenheit = 77
 
+//  * Convert it to celsius and output "`tempInFahrenheit`°F is `tempInCelsius`°C."
+tempInCelsius = ((tempInFarenheit - 32) * 5/9 )
+console.log(tempInFarenheit + "°F" + " is " + tempInCelsius + "°C" )
 
 // ## Problem Five
 
 // Grades Calculator:
 //  * Store Alices's grade on a test to a variable
+let aliceTestGrade = 87
+
 //  * Store Bob's grade on a test to a variable
+let bobTestGrade = 93
+
 //  * Store Cam's grade on a test to a variable
+let camTestGrade = 65
 //  * Find the average grade of all students
+let studentAverage = ((aliceTestGrade + bobTestGrade + camTestGrade)/ 3 )
+console.log("Class student average " + studentAverage) 
 //  * Store Dee's grade on a test to a variable
+let deeTestGrade = 75
 //  * Find the average grade of all students
+studentAverage = ((aliceTestGrade + bobTestGrade + camTestGrade + deeTestGrade)/4)
+
+console.log("Class average with Dee added is " + studentAverage)
 //  * Print out if Dee's grade is higher than the class average
+if ( deeTestGrade > studentAverage)
+ {console.log("At " + deeTestGrade + "Dee’s test grade is higher than the class average of" + studentAverage )
+ console.log("Awesome Dee!" )
+    } 
+    else {
+      console.log("At "+ deeTestGrade + " Dee’s test grade is lower than the class average of " + studentAverage)
+      console.log("You need more improvement Dee " )
+    }
 
 // ## Problem Six
 
 // Find the last number:
 // * You are given a number a. Print the last digit of a.
 // * Example
 // * Input: 
+let a = 123
+
 // * a = 123
 // * Output:
+console.log(a)
+console.log("The last digit of 123 is " + a%10)
 // * 3
 
 // Hint:
@@ -65,17 +118,33 @@
 // * Example 1
 // * Input: 
 // * x = 3
+let x = 3
+
 // * y = 2
+let y = 2
+
 // * bob = 12
-// * Expected values: 
+let bob = 12
+
+// * Expected values:
+let alice = (((bob+x)*y)-x)
+console.log(alice)
+
 // * alice = 27
+
 // 
 // * Example 2
 // * Input: 
 // * x = 1
+ x = 1
 // * y = 3
+ y = 3
 // * bob = 12
+bob = 12
+
 // * Expected values: 
+alice = (((bob+x)*y)-x)
+console.log(alice)
 // * alice = 38
 
 // * Hint:
@@ -90,10 +159,24 @@
 // * Example 
 // * Input
 // * numberOfCats = 20  
+
 // * numberOfDogs = 60
+
+
 // * Output:
 // * 25% of the daycare animals are cats
+
+
 // * 75% of the daycare animals are dogs
+let dogs = 20
+let cats = 60
+let total = dogs + cats 
+numberOfCats = cats/total * 100
+numberOfDogs = dogs/total * 100
+console.log(numberOfCats + "%" + " of the daycare animals are cats")
+console.log(numberOfDogs + "%" + " of the daycare animals are dogs")
+
+
 
 // ## Problem Nine
 
@@ -106,24 +189,37 @@
 // * Years that are divisible by 100 are not leap years if they are not also divisible by 400. 
 // * For example 1900 was not a leap year, but 2000 was. Print "Leap year!" or "Not a leap year!" depending on the year you are provided.
 
-
+//if else
 // ## Problem Ten: Predict the output
+let currentYearDays = 366
+if (currentYearDays <=365){
+    console.log("not a leap year")
+}
+else{ console.log ("It is a leap year")}
 
 // For this section write what you think will be logged as a comment next to `console.log` like so: `console.log('Cat') //'Cat'` before running the code. Then execute your file and compare with your prediction.
 
 // a. 
 //     ```js
 //     let num1 = 2
+let num1 = 2
+
 //     let num2 = 5
+let num2 = 5
 //     let num3 = num1 * num2
+let num3 = (num1 * num2)
 //     console.log(num3)
-//     ```
+console.log(num3)
 
 // b. 
 //     ```js
 //     let str = 'jel' 
+let str = "jel"
 //     str += 'lo'
+    str += "lo"
 //     console.log(str)
+console.log(str)
+
 //     ```
 
 // c. 
@@ -132,6 +228,10 @@
 //     let number = 42
 //     let sentence = string + number
 //     console.log(typeof(sentence))
+let number = 42 
+let string = "My favorite number is"
+let sentence = (string + number)
+console.log(typeof "My favorite number is")
 //     ```