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The ratio of boys to girls is 6:5. If there are 20 girl, how many boys are there?

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Final answer:

To determine the number of boys when the ratio is 6:5 and there are 20 girls, we set up a proportion.

By cross-multiplying and dividing, we find that there are 24 boys in the group.

Step-by-step explanation:

The question asks us to find out the number of boys in a group where the ratio of boys to girls is 6:5 and there are 20 girls.

To solve this, we can set up a proportion and solve for the number of boys.

Let's denote the number of boys as b. The ratio given is 6 boys to 5 girls, which can be written as:

6/5 = b/20

To find the value of b, we cross-multiply and then divide to isolate b:

6 * 20 = 5 * b

120 = 5 * b

b = 120 / 5

b = 24

Therefore, there are 24 boys if there are 20 girls.

User Manzini
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