Due to a reduction of 6 % in the price of sugar, a man is able to buy 1 kg more for ` 120. Find the original 4 and reduced rate of sugar.
Answer
Answer (as printed):
Explanation
Let original rate be ` x per kg. 25 1 15 x Reduced rate = ` 100 – × x =` per kg. 4 100 16 120 120 128 120 ∴ − =1 ⇔ − = 1 ⇔ x = 8. 15 x x x x 16 So, original rate = ` 8 per kg. 15 Reduced rate = ` × 8 per kg = ` 7.50 per kg. 16 PERCENTAGE 317
Explanation as extracted from the printed page; notation may be imperfect.