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Primary education

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Original poster

Can’t open my Khan Academy App. Could you please help to answer this word problem

2 replies

GentleJones · 16/03/2018 18:47

In a class of 35 pupils, 4/7 are girls. How many boys are there?

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UnimaginativeUsername · 16/03/2018 18:51

1/7 of 35 = 5
4/7 of 35 = 20 girls
35-20=15 boys

Or you could go with 3/7 of the class are boys.
1/7 of 35 = 5
3/7 of 5 = 15.

Original poster

GentleJones · 16/03/2018 18:56

Thank you.

It always seems so obvious once I’ve asked the question

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