3 years ago

the ratio of boys to girls in a class is 7:5 . there are 36 students in the class. how many students are boys

Mathematics

2 answers:

elena55 [62]3 years ago

5 0

Answer:

21 boys are there in the class.

Step-by-step explanation:

7x + 5x = 36

12x = 36

x = 36 / 12

x = 3

∴ The number of boys in the class is:

7 * 3 = 21

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topjm [15]3 years ago

3 0

21 boys in the class

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