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primary 5 | Maths
| Whole Numbers
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Please help me, it’s my Son homework... I don’t know how to teach him... thank u
Date Posted: 6 years ago
Views: 400
Assume all the students are boys. so 80 boys should collect 80x105=$8400. it is short of $810 from actual collection (9210-8400=810). the shortage is caused by the difference between money collected by girl and boy 120-105=$15. so the number of girls is 810 divided by 12 = 54
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