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12-01-2018
Mathematics

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The ratio of alls weight to bobs weight is 4:5, the ratio of bobs weight to lunas weight is 6:7, what is the ratio of alls weight to lunas weight?

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WaleMaths WaleMaths

15-01-2018

All's =a
Bob's =b
Lunar =l

A:B = 4:5 B:C = 6:7
Multiply the two ratios above by 6 and 5 respectively

A:B = 24:30 and B:L=30:35
Now that we have the B's to be the same

Alls:Lunar = 24:35

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