Question

$60\%of(x+173.5+157.5)=21\times 12$

• A. 83
• B. 109
• C. 89
• D. 79
• E. 99

Answer 1

The correct option is C 89

$60\%of(x+173.5+157.5)=21\times 12$
$\Rightarrow \frac{60}{100}\times (x+331)=252\Rightarrow x+331=252\times \frac{100}{60}\Rightarrow x=420-331\Rightarrow x=89$