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.
We just have to isolate x, this way and solve the problem:
becomes
So, 36 students picked bananas as their favorite fruit.