Question

70% of a number is 98.

What is 90% of that same number?

A.
63

B.
68.6

C.
88.2

D.
126

Answer 1

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.