If a ∶ b = 5 ∶ 7, then the ratio (5a + 7b) ∶ (3a + 4b) is – McqOptions

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1.	If a ∶ b = 5 ∶ 7, then the ratio (5a + 7b) ∶ (3a + 4b) is
A.	43 ∶ 74
B.	76 ∶ 43
C.	74 ∶ 43
D.	43 ∶ 46
Answer» D. 43 ∶ 46

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