Question

If X,Y is 20%,30% smaller then Z how much percentage is X smaller than Y?

Answer 1

Step-by-step explanation:

Let, the Z = 100

Then X = 20% less than Z

=> X =100 × (100-20)/100 = 80

And Y = 30% less than Z

=> Y = 100×(100-30)/100 = 70

How much percentage is X greater than Y :

$\frac{80 - 70}{70} \times 100 = \frac{100}{7} = 14 \frac{2}{7}$

And Y smaller than X :

$\frac{80 - 70}{80} \times 100 = \frac{100}{8} = 12 \frac{1}{2}$

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