If 60% of x is equal to 10% of sum of y and z and 72% of x is equal to 24% of difference of y and z,…
From \(0.60x = 0.10(y + z)\), we get \(y + z = 6x\). From \(0.72x = 0.24(y - z)\), we get \(y - z = 3x\). Solving these gives \(y = 4.5x\) and \(z = 1.5x\), so \(x : y : z =…
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If 60% of x is equal to 10% of sum of y and z and 72% of x is equal to 24% of difference of y and z, then which of the following is equal to x : y : z ?
Answer and explanation
Correct answer B
From , we get . From , we get . Solving these gives and , so .
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