Jenna has 3 red balloons and 5 blue balloons. the ratio of the number of red balloons to the number of blue balloons is . she adds 2 red balloons and removes 1 blue balloon. the new ratio of the number of red balloons to the number of blue balloons is .

Jenna has 3 red balloons and 5 blue balloons.

The ratio of the number of red balloons to the number of blue balloons is
3:5

She adds 2 red balloons and removes 1 blue balloon.
The new ratio of the number of red balloons to the number of blue balloons is
3+2:5-1
5:4

9 7/20

Step-by-step explanation:

Given

4 1/4 x 2 1/5

First change the fractions to improper fractions

17/4 x 11/5

Multiply through

187/20

9 7/20