Question

A one-topping pizza costs $15.00. Each additional topping costs $1.25. Let x be the number of additional toppings. You have $20 to spend. Which equation can you solve to find the number of additional toppings you can get on your pizza?
The choices are:
A. 15x+1.25=20
B. 1.25x+15=20
C. 1.25x-15=20
D. 15x-1.25=20

Answer 1

B .because x is an unknown amount of toppings and its 1.25 per extra topping and you have to add 15 because you can't just buy toppings you have to buy the pizza

Answer 2

So,

Our total will be equal to 20.  If we want 1 additional topping, we will have an additional $1.25.  If we want 2 additional toppings, we will have an additional $2.50.  So we can just multiply the number of additional toppings by 1.25 to get the additional amount.

1.25x

However, you will have already spent $15.

1.25x + 15 = 20

This is option B.

P.S. You will be able to put exactly 4 additional toppings.