Imagine your class is having a pizza party and you are trying to decide how many pizzas to buy. The Italian Kitchen Pizzeria cha
rges $12.99 (including tax) for a large cheese pizza. Principal Kenny has said that our class had a budget of $115 for our pizza party.
1 answer:
Answer:
8 pizzas for the party
Step-by-step explanation:
The Italian Kitchen Pizzeria charges $12.99
Budget of $115
How many pizzas to buy?
115 / 12.99 ≈ 8.853 pizzas
We can buy 8 pizzas. ( we do not have enough money for a ninth )
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Black tiles = x
Purple tiles = x+50
Yellow tiles = 5x
-
Total = x + x+50 + 5x = 400
⇒ 7x + 50 = 400
⇒ 7x = 400-50 = 350
⇒ x = 350/7
⇒ x = 50
Black tiles = 50
Purple tiles = 50+50 = 100
Yellow tiles = 5 x 50 = 250
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