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AfilCa [17]
3 years ago
15

In one grade of 150 students, the ratio of boys to girls is 2 : 3.

Mathematics
2 answers:
denis23 [38]3 years ago
8 0

Answer:

The numbers of boys in one grade are 60 .

Step-by-step explanation:

As given

In one grade of 150 students .

The ratio of boys to girls is 2:3.

Let us assume that the scalar multiple of boys and girls be x.

Thus number of boys = 2x

Number of girls = 3x

Than the equations becomes

2x + 3x = 150

5x = 150

x = 30

Thus number of boys = 2 × 30

                                   = 60

Therefore the numbers of boys in one grade are 60

Finger [1]3 years ago
4 0
150/boys=2/3
2 boys/450
boys=450/2
boys=225
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