A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?
9%
10%
7%
6%
Explanation:
Actual price = Rs.25 + Rs.2.50 = Rs.27.5
Saving = Rs.2.5
Saving percent
=$\dfrac{2.5}{27.5}$×100=$\dfrac{250}{27.5}$=$\dfrac{2500}{275}$=$\dfrac{100}{11}$=9$\dfrac{1}{11}$% $\approx$ 9%