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Lina20 [59]
3 years ago
14

How do I do 21? (Will mark brainlest for explaining)

Mathematics
1 answer:
Maslowich3 years ago
6 0
Let's say the number is x
75%of x is 15
75%x=15
0.75x=15
x=15/0.75
x=20

or you can say 3/4x=15
x=15*4/3
x=20
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