If a : b = 5 : 8, x : y = 25 : 16; evaluate $\frac{a}{x}$ : $\frac{b}{y}$

125 : 128

3 : 5

3 : 4

2 : 5

View answer & explanation

Correct answer is D

a : b = 5 : 8 = 2.5 : 40

x : y = 25 : 16

$\frac{a}{x}$ : $\frac{b}{y}$ = $\frac{25}{25}$ : $\frac{40}{16}$

= 1 : $\frac{40}{16}$

= 16 : 40

= 2 : 5

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