Chapter 7, Lesson 5


7-5.A write part-to-whole ratios
A bag contains some marbles: 4 red, 6 white, and 5 blue.
Write the ratio of the number marbles in the bag that are not blue to the total number of marbles in the bag.

7-5.B use the Percent Formula to find a percentage of a number
Write and solve an equation that can be used to find 46% of 123.

7-5.C use the Percent Proportion to find a percentage of a number
Write and solve a proportion that can be used to find 109% of 48.