Question

Evaluate : 45 % of 160 - 32 % of 50+28% of 75​

Answer 1

$(45 \times \frac{1}{100} \times 160) - (32 \times \frac{1}{100} \times 50) + (28 \times \frac{1}{100} \times 75)$

$(45 \times \frac{1}{10} \times 16) - (32 \times \frac{1}{10} \times 5) + (28 \times \frac{1}{100} \times 50)$

$(72) - (16) + (21)$

$93 - 16$

$= 77$

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Answer 2

Here, we have to evaluate the value of :

$\sf{45 \% \ of \ 160 \ - \ 32\% \ of \ 50 \ + \ 28\% \ of \ 75}$

Let x be the value.

$\sf{\implies x=45 \% \ of \ 160 \ - \ 32\% \ of \ 50 \ + \ 28\% \ of \ 75}$

$\sf{\implies x=[\dfrac{45\times 160}{100}] - [\dfrac{32\times 50}{100}] +[\dfrac{28\times 75}{100}]}$

$\sf{\implies x=[\dfrac{7200}{100}] - [\dfrac{1600}{100}] +[\dfrac{2100}{100}]}$

$\sf{\implies x=72-16+21}$

$\sf{\implies x=77}$

$\boxed{\bold{\sf{\therefore 45 \% \ of \ 160 \ - \ 32\% \ of \ 50 \ + \ 28\% \ of \ 75=77}}}$