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Butoxors [25]
3 years ago
11

A cafeteria manager needs to know how many apples and bananas to to order. He asked students to choose either an apple or a bana

na as their preferred fruit. The survey results know that of the students who responded, 7/10 picked apples. If 84 students picked apples, how many picked bananas?
Mathematics
1 answer:
shusha [124]3 years ago
5 0

Answer:

36

Step-by-step explanation:

The answer is easy to find if we use the cross-multiplication method.

We know 7 students out of 10 picked apples, then 3 out of 10 picked bananas.

We know the number of people who picked apples.

\frac{apples}{bananas} = \frac{7}{3} = \frac{84}{x}

We just have to isolate x, this way and solve the problem:

\frac{7}{3} = \frac{84}{x}

becomes

x = \frac{84 * 3}{7} = \frac{252}{7} = 36

So, 36 students picked bananas as their favorite fruit.

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