Answer:
4 toppings
Explanation:
13.90=1.35x+8.50
x represents the number of toppings.
1. First subtract 8.50 from both sides.
2. Now you are left with 5.40=1.35x. Divide 1.35 from both sides.
3. Simplify
x=4
There are 4 toppings on the pizza for it to cost $13.90.
Hope this helped :)