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72 is 18% of what number? A) 400 B)129.6 C)25

User Macattack
by
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2 Answers

2 votes

Answer:

Number = x


x * 18\% = 72

So,


18\% \\ = (18)/(100) \\ = 0.18

Now,


x * 0.18 = 72 \\ x = (72)/(0.18 ) \\ x = 400

=> Option A) 400 is the correct answer.

User Chemistpp
by
8.4k points
2 votes

Let the number = X

You would multiply x by the percent to equal 72:

X * 0.18 = 72

Divide both sides by 0.18

72 / 0.18 = 400

The answer is A)400

User Knight
by
8.2k points

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