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Help, please

Thirty percent of a number is 8.4. What is 37.5% of the same number, a decimal to the nearest tenth?

User Bojan Ilievski
by
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1 Answer

16 votes
16 votes

Answer: 10.5 is my guess

Explanation:

1. 30% = 8.4

100 x

cross multiply

30(x) = 840

divide both sides by 30 = 28

2. 37.5% = y

100 28

cross multiply

1050 = 100y

divide both sides by 100 = 10.5

User Vasiliy
by
2.5k points