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primary 6 | Maths | Ratio
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primary 6 Maths Ratio Singapore

Help please

Date Posted: 2 years ago

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Andy + Ben
= 76kg x 2
= 152kg

Ben + Cody
= 78kg x 2
= 156kg

Andy + Cody
= 74kg x 2
= 148kg

Add, Andy + Cody and Ben + Cody together:
Andy + Ben + 2U of Cody
= 156kg + 148kg
= 304kg

2U of Cody
= 304kg - 152kg
= 152kg

1U of Cody
= 152kg ÷ 2
= 76kg

Andy
= 148kg - 76kg
= 72kg

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