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Solve this : 15% of 578 + 22.5% of 644 = ?
Answer & Solution
Correct Answer:
Option
B
15% of 578 + 22.5% of 644
$$ = \left( {\frac{{15}}{{100}} \times 578} \right) + $$ $$\left( {\frac{{225}}{{10}} \times \frac{1}{{100}} \times 644} \right)$$
$$\eqalign{ & = 86.7 + 144.9 \cr & = 231.6 \cr} $$
$$ = \left( {\frac{{15}}{{100}} \times 578} \right) + $$ $$\left( {\frac{{225}}{{10}} \times \frac{1}{{100}} \times 644} \right)$$
$$\eqalign{ & = 86.7 + 144.9 \cr & = 231.6 \cr} $$
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