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 bulle tin board is 40 cm across. What should the zoom setting be for a copy this size?
2 answers:
40 divided by 8 is equal to 5 so 5 is going to be the zoom size
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&
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