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5 votes
70% of a number is 98.

What is 90% of that same number?

A.
63

B.
68.6

C.
88.2

D.
126

1 Answer

1 vote
Set up the proportion:
70% - 98
90% - x


(70\%)/(90\%)=(98)/(x) \\ (7)/(9)=(98)/(x) \\ (7)/(9)x=98 \\ x=98 * (9)/(7) \\ x=14 * 9 \\ x=126

The answer is D. 126.
User Romeo Valentin
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