Question 17

If 7x = 8k and 5y = 6k then the value of ratio x is to y is

Solution

7x = 8k

x = 8k/7

and 5y = 6k

y = 6k/5

x : y = $$\frac{8k}{7} : \frac{6k}{5} = 20 : 21

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