Is \(4^{x+y}=8^{10}?\)

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Is \(4^{x+y}=8^{10}?\)

by Vincen » Thu Jan 27, 2022 12:36 pm

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Is \(4^{x+y}=8^{10}?\)

(1) \(x - y = 9\)
(2) \(\dfrac{y}{x} = \dfrac14\)

Answer: C

Source: Official Guide