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erma4kov [3.2K]
3 years ago
14

I need to know how to solve 7/20=

Mathematics
1 answer:
Simora [160]3 years ago
6 0
First off, you can use your calculator.

7 / 20 = 7 divided by 20

You can multiply both top and bottom by 5.

This is to make the bottom 100.

(7*5) / (20*5)

35 / 100

0.35

7/20 = 0.35
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A.

If she will choose 8 from 12 photos, the total number of ways she can choose is given by a combination of 12 choose 8, since the order of the photos doesn't matter.

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