nemo21
Answered

Westonci.ca offers quick and accurate answers to your questions. Join our community and get the insights you need today. Get immediate answers to your questions from a wide network of experienced professionals on our Q&A platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

70% of a number is 98.

What is 90% of that same number?

A.
63

B.
68.6

C.
88.2

D.
126


Sagot :

naǫ
Set up the proportion:
70% - 98
90% - x

[tex]\frac{70\%}{90\%}=\frac{98}{x} \\ \frac{7}{9}=\frac{98}{x} \\ \frac{7}{9}x=98 \\ x=98 \times \frac{9}{7} \\ x=14 \times 9 \\ x=126[/tex]

The answer is D. 126.