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16 Feb 2022, 04:15
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If the ratio of a to b is 4 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?
A. 4/15
B. 1/3
C. 2/5
D. 4/5
E. 7/6
A. 4/15
B. 1/3
C. 2/5
D. 4/5
E. 7/6
16 Feb 2022, 07:30
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a/b = 4/3, and b/c = 1/5, so (a/b)(b/c) = a/c = (4/3)(1/5) = 4/15
16 Feb 2022, 07:36
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a / b = 4 / 3 -----> a = 4b / 3
b / c = 1 /5 -----> c = 5b
a / c = (4b / 3) / 5b = 4 / 15 A)
b / c = 1 /5 -----> c = 5b
a / c = (4b / 3) / 5b = 4 / 15 A)
