Problema Solution
Dana bought 12 pizzas for a Math Club party. Some were pepperoni pizzas that $11.00 each, and the rest were mushroom pizzas that cost $9.50 each. She paid $124.50 for the pizzas. How many pepperoni pizzas did she buy?
Answer provided by our tutors
Let
x = the number of pepperoni pizzas
12 - x = the number of the mushroom pizzas
11x + 9.50(12 - x) = 124.50
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click here to see the equation solved for x
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x = 7 pepperoni pizzas
Dana bought 7 pepperoni pizzas.