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15 % of what number is 21 thanks :)

15 % of what number is 21 thanks :)
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1 vote
15 % of what number is 21 thanks :)

User Razakhel
by
8.4k points

2 Answers

6 votes
The answer is 140 that should help tou
User EightyEight
by
8.7k points
7 votes
15% of x = 21
Set up proportions.
15/100 = 21/x
Cross multiply the numbers (15 by x, 21 by 100).
Divide 2100 by 15x to get x.
2100/15 = 140
X is 140.
User Dalelane
by
8.5k points
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