### Home > CC3 > Chapter 7 > Lesson 7.1.1 > Problem 7-12

7-12.

Use proportions to solve each of the problems below. Homework Help ✎

At the zoo, three adult lions together eat 250 pounds of food a day. If two more adult lions joined the group and ate food at the same rate as the original three, how much food would the zoo need to provide all five lions each day?

Byron can read 45 pages in an hour. At that rate, how long would it take him to read the new 700-page Terry Cotter book?

What is the unit rate of pounds of food per lion in part (a)?

Write a proportion comparing the number of lions and the pounds of food per day.

About 416.7 lbs of food per day

Write a proportion comparing the number of pages and time (in hours).

There are 5 lions sharing 416.7 lbs of food. How many does each lion get?