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Which of the following is equal to 3/8 of 1.28?

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Carcass
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Which of the following is equal to 3/8 of 1.28? [#permalink] New post   28 Jul 2022, 22:23
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Which of the following is equal to 3/8 of 1.28?

(A) 24/5
(B) 12/25
(C) 13/50
(D) 6/25
(E) 4/25

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B
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Re: Which of the following is equal to 3/8 of 1.28? [#permalink] New post   30 Jul 2022, 07:09
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Carcass wrote:
Which of the following is equal to 3/8 of 1.28?

(A) 24/5
(B) 12/25
(C) 13/50
(D) 6/25
(E) 4/25


APPOACH 1: Calculator
Calculate (3/8) x 1.28 to get 0.48
0.48 = 48/100 = 24/50 = 12/25

Answer: B

APPOACH 2: Convert 1.28 to a fraction and then calculate
3/8 of 1.28 = 3/8 x 1.28
= 3/8 x 128/100
= 3/8 x 32/25
= 96/200
= 12/25

Answer: B
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Re: Which of the following is equal to 3/8 of 1.28? [#permalink]
30 Jul 2022, 07:09
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