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Question

Need help for below question:

There are 36 students in 6 Kindness and 38 students in 6 Love.

There are 2/3 as many girls in 6 Love as in 6 Kindness.

There are 3/4 as many boys in 6 Kindness as in 6 Love.

How many girls are there in 6 Love?

Source: South View Primary

Answer

6 Love : 2u (girls)
6 Kindness : 3u (girls)
6 Kindness : 3p (boys)
6 Love : 4p (boys)

3u + 3p ——-> 36
1u + 1p ——-> 12
1p ——-> 12 – 1u
2u + 4p ——-> 38
1u + 2p ——-> 19
1u + 2 x (12 – 1u) = 24 – 1u ——-> 19
1u ——-> 24 – 19 = 5
2u ——-> 10

Ans : 10 girls.

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