The correct option is D 12 5/7× 49 + 20/100× 130 = x + 49 35 + 26 = #160;x + 49 x = 61 49 = 12 ...

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Estimation Using Percentages in Situations

If 5/7 of 4...

Question

If $\frac{5}{7}$ of 49 + 20% of 130 = x + 49 then x = ..........

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Solution

The correct option is D 12
$\frac{5}{7} \times 49 + \frac{20}{100} \times 130 = x + 49$
$35 + 26 = x + 49$
$x = 61 - 49 = 12$

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