Answer:
Please see the attached picture for the full solution.
Answer:
7x + 7
Step-by-step explanation:
2x + 5x = 7x
5 +2 = 7
if you add them all its 340 and the square number is 9
X represents # of toppings
8.95+0.65x=10.90
0.65x=1.95
x=3
He got 3 additional toppings onto his large pizza.