# Find Percentage of increase or decrease:           – Price of shirt decreased from Rs 280 to Rs 210.           – Marks in a test increased from 20 to 30.

M manish

(i) The decrease in price is 280-210=70

Percentage of decrease
$=\frac{70}{280}\times 100$
= 25%

(ii) increase of mark is 30-20=10

Percentage of increase
$=\frac{10}{30}\times 100$
= 33.33%

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