Respuesta :
Answer: 3 toppings
Step-by-step explanation:
Let x=the number of toppings
12+2.5x=19.5
2.5x=7.5
x=3
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You have a total of three toppings on the pizza. The pizza is 12$ then you have 7.50 left over from the total if you take 19.50 and subtract the 12$. Then you take 7.50 and divide by 2.50 which gives you the 3. Therefore the answer is three