Question

In Wei Xiang's school, 8/9 of the students are girls. There are 182 more boys who wear spectacles than those boys who do not wear spectacles. How many boys wear spectacles if there are 3680 girls?

Answer 1

Step-by-step explanation:

Total no. of students = 3680 /8 *9

= 4320

No. Of boys = 4320/9*1

=480

Let boys who don't wear specs = X

Therefore boys who wear specs be = X+182

X+X+182 = 480

2X= 480-182

X=298/2

X= 149

Boys who wear specs = 149+182

=331

Answer 2

The number of boys who wear spectacles are 321.

Explanation:

Total no. of students = 3680 /8 /9

= 4140

No. Of boys = 4140/9*1

=460

Let boys who don't wear specs = X

Therefore, boys who wear specs be = X+182

X+X+182 = 460

2X= 460-182

X=278/2

X= 139

Boys who wear specs = 139+182

=321.

Therefore, the number of boys who wear spectacles are 321.

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