Interactive 3.1: Using variables in calculations

Look at the code below. What is the value of total?
number1 = 15
number2 = 10
total = number1 + number2

• 25

• 5

• 150

• 15

Look at the code below.

What is the value of marblesEach?
marbles = 16
people = 4
marblesEach = marbles / people

• 4

• 64

• 20

• 12

Look at the code below. What is the value of change?
sweets = 0.45
crisps = 0.6
money = 1.2
change = money – (sweets + crisps)

• 0.5

• 0.15

• -0.5

• -0.15

Look at the code below.

What is the value of totalCost?
fish = 1.9
chips = 1.1
numberBought = 5
totalCost = (fish + chips) * numberBought

• 15

• 7.4

• 10.6

• 8

Look at the code below. What is the value of totalIncProfit?
profitMargin = 0
totalIncProfit = 0
total = 1000
profitMargin = total * 2
totalIncProfit = total + profitMargin

• 3000

• 3020

• 1003

• 2020

Look at the code below.

What is the value of num2 if total = 35?
num1 = 10
total = num 1 + num2

• 25

• 15

• 20

• 10

Look at the code below. What is the value of num2 if share = 20?
num1 = 10
total = num1 + num2
share = total / 3

• 30

• 40

• 25

• 50