If the price of milk increase from $R s 30$ per litre to $R s 31.50$ per litre. Find the percentage increase.

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Solution

Find the percentage increase:
It is given that the Price of milk initially $= R s . 30$
Price after increase $= R s . 31.5$
Increase = Final Price - Initial increase $= R s . 31.5 - R s . 30$ = $R s . 1.5$
The formula for finding the percentage increase;
$I n c r e a s e d p e r c e n t a g e = \frac{I n c r e a s e}{P r i c e i n i t a l l y} \times 100 %$
$\frac{1.5}{30} \times 100 % = 5 %$
Hence, the percentage increase is $5 %$ .

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