Fractions/Ratios/Decimals

$a$ and $b$ are nonzero integers such that $0.35a=0.2b$. What is the value $b$ in terms of $a$?

A. $0.07a$
B. $0.57a$
C. $0.7a$
D. $1.75a$
E. $17.5a$

The OA is D

Source: Princeton Review

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Re: Fractions/Ratios/Decimals

by Scott@TargetTestPrep » Mon Nov 16, 2020 12:26 pm

swerve wrote: ↑
Fri Nov 13, 2020 10:12 am
$a$ and $b$ are nonzero integers such that $0.35a=0.2b$. What is the value $b$ in terms of $a$?

A. $0.07a$
B. $0.57a$
C. $0.7a$
D. $1.75a$
E. $17.5a$

The OA is D

Solution:

0.35a = 0.2b

b = 0.35a/0.2 = 35a/20 = 1.75a

Answer: D

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