Answers

2016-01-12T11:37:07+08:00
There are 858 boys
total=1560
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2016-01-15T18:56:22+08:00
100% - 45% = 55%

Therefore, the boys are 55%.

Now, lets find the total number of pupils first.
base =  \frac{percentage}{rate}
base =  \frac{702}{0.45}\\base =  1560

Now, let's find the percentage in order to find the answer to your question.
percentage = (base)(rate)
percentage = (1560)(0.55)
percentage = 858

Answer: 858

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