Acafeteria manager needs to know how many apples and bananas to to order. he asked students to choose either an apple or a banana 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?

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.

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

becomes

So, 36 students picked bananas as their favorite fruit.

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

if i put something wrong your not gonna like it so rather not say nothing.