Question 62

If 40% of x equal 50% of y, then y : x is:

Solution

40% of x = 50% of y

$$\frac{40}{100}\times x=\frac{50}{100}\times y$$
0.4x = 0.5y

4x = 5y

$$\frac{4}{5}=\frac{y}{x}$$

y : x = 4 : 5

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