Question

A teacher has a chart she would like to enlarge to put on a bulletin board. The chart is 8 cm across, and the space on the bulletin board is 40 cm across. What should the zoom setting be for a copy this size?

Answer 1

40 divided by 8 is equal to 5 so 5 is going to be the zoom size

Answer 2

Answer:

500%

Step-by-step explanation:

here is one way to solve this problem. Let x represent the unknown copy Percent. Set up a proportion like this one, and solve for x using cross multiplication.

x = 40

100= 8

8x=40*100

8x=4,000

x= 500&