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elena-s [515]
3 years ago
11

A class of 30 students ate 9 pizzas. How many pizzas would be needed for 40 students?

Mathematics
2 answers:
Mars2501 [29]3 years ago
8 0

Answer:

12

Step-by-step explanation:

The ratio is 9:30

So for 40 people , it would be ?:40

Find the number that, when multiplies, by 30, equals 40. This is 1 1/3, or 1.3333... So multiply 9 by 1 1/3: 9 * 1 = 9, 1/3 * 9 = 3. ( + 3 = 12, so 12 pizzas

lisov135 [29]3 years ago
4 0

Answer:

12 i think

Step-by-step explanation:

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