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

Sagot :

herrysam32

Let us assume there as 5x boys and 7x girls. So the total number of students = 5x+7x = 12 x or 36. Or x = 36/12 = 3.So there are 5*3 = 15 boys and 7*3 = 21 girls.

Answer:21 girls 15 boys

s1m1

Answer:

6

Step-by-step explanation:

Given:

boys to girls

      7 : 5

Calculate the the ratio boys to girls in a class of 36:

For every 7 boys there will be 5 girls in the class, so 7+5 = 12 students

In a group of 12 students the ratio is

7 boys : 5 girls

In a class of 36 students because 12·3 = 36 the ratio is

7·3 boys : 5·3 girls

21 boys : 15 girls

Calculate how many more boys than girls are there:

21 -15 = 6 more students are boys than girls

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