30 girls and boys have planned for a picnic. there is a ratio of 3 girls to 7 boys how many boys are there?

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Mathematics

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30 girls and boys have planned for a picnic. there is a ratio of 3 girls to 7 boys how many boys are there?

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Taskmastersid Taskmastersid · Answer 1

Taskmastersid Taskmastersid

To solve the given problem We can consider, 30% are girls of 30 people 70% are boys in 30 people In order to get the number, we just multiply the total number of people with the percentage of the designated target populace.
1.    30 x 0.3 = 9 girls
2.    30 x 0.7 = 21 boys
3.    21 boys + 9 girls = 30 people

Hence, there are 21 boys.

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