Club meeting

In the Green club meeting, 1/3 are Grade 4, 1/5 are GRADE 5, and the rest are Grade 6, pupils. If the total attendance is 240 pupils, how many are GRADE 6?

Correct answer:

x =  112

Step-by-step explanation:

n=240 a=31 n=31 240=31 240=3240=80 b=51 n=51 240=51 240=5240=48  x=nab=2408048=112

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