Answered

a large cheese pizza costs $7.50. Each additional topping for the pizza costs $1.35. if the total bill for the pizza sally ordered was $12.90, how many toppings did she order? and write an equation to model the situation, then solve.

Verified Answer :

dexteright02

Data:

Pt (pizza+topping) = $7.50
t (topping) = $1.35
tt (total) = $12.90
nt (number topping) = ?

Solving:

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For better understanding

Data:

A (pizza+topping) = $7.50
B (topping) = $1.35
C (total) = $12.90
D (number topping) = ?

Solving:

\(A + B*C = D (equation)\)

\(7.50 + 1.35D = 12.90\)
\(1.35D = 12.90 - 7.50\)
\(1.35D = 5.4\)
\(D = \frac{5.4}{1.35}\)
\(\boxed{D = 4}\)

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