lily

10-25-2013, 07:47 PM

If 20% of a is equal to 40% of b and b=24, what is the value of a?

(A) 6

(B) 12

(C) 24

(D) 48

Thanks

(A) 6

(B) 12

(C) 24

(D) 48

Thanks

View Full Version : sat math percentages

lily

10-25-2013, 07:47 PM

If 20% of a is equal to 40% of b and b=24, what is the value of a?

(A) 6

(B) 12

(C) 24

(D) 48

Thanks

(A) 6

(B) 12

(C) 24

(D) 48

Thanks

kadence

10-25-2013, 07:48 PM

The 40% of b where b=24 is equal to 0.4 \cdot 24=9.6 .

The 20% of a is equal to 0.2 \cdot a=9.6 \Rightarrow

a=\frac{9.6}{0.2}=48

Therefore the correct answer is (C).

Hope these help!!

The 20% of a is equal to 0.2 \cdot a=9.6 \Rightarrow

a=\frac{9.6}{0.2}=48

Therefore the correct answer is (C).

Hope these help!!

lily

10-25-2013, 07:48 PM

Thank you:D

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