# How do you use proportions to solve how much money the restaurant made if it serves 250 people per day when they usually serve 100 people per day and takes in $908?

##### 1 Answer

Jan 21, 2015

$2270.

We know that if 100 people are served, the restaurant takes in $908. Our question is: "If 100 people cause the restaurant to gain $908, what would the consequence of 250 people served be?". The proportion we have to write is thus

which must be read as "if 100 people cause $908, then 250 people must cause $

Solving the generic proportion

In our case, we know that