Answer:
5 cupcakes for $7.50
12 cupcakes for $18
18 cupcakes for $27
Step-by-step explanation:
According to the double number line, the price per cupcake is $1.50.
To find the price for other numbers of cupcakes, multiply the number of cupcakes by the price per cupcake.
The equation is in the format:
# of cupcakes X 1.50 = total price
In the table:
Find the price for 5 cupcakes:
5 X 1.50 = 7.50
Find the price for 18 cupcakes:
18 X 1.50 = 27
Find the number of cupcakes for $18
Take the equation format and put what you know into it:
# of cupcakes X 1.50 = total price <=Replace total price with 18
# of cupcakes X 1.50 = 18 <=Divide both sides by 1.50 for #of cupcakes
# of cupcakes = 12
