If the price of a petrol increases by 25% and Amitava intends to spend only an additional 15% on petrol. How much percent will he reduce the quantity of petrol purchased?
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Step-by-step explanation:
Let the price of petrol be ‘x’ and Benson purchases ‘y’ litres of petrol
Therefore, he would have spent Rs.xy
New price per litre of petrol =
35
x
100
+
x
=
135
x
100
=
1.35
x
Benson williing to spend = xy + 15% of xy = 1.15xy
Let the new quantity of petrol that he can get be ‘q’
q =
1.15
x
y
1.35
x
=
1.15
y
1.35
=
0.85
y
As the new quantity that he can buy is 0.85y, he gets 0.15y lesser than what he used to get earlier.
Or a reduction of 0.15*100 = 15%
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