The cost of 15 kg of sugar is ₹255, the cost of 17 kg of tea is ₹1615 and the cost of 22 kg of rice is ₹572. What is the total cost of 18 kg of sugar, 21 kg of tea and 27 kg of rice?
Answer
Answer (as printed):
Explanation
Cost of 1 kg sugar = ₹$\frac{255}{15}$ = ₹17; cost of 1 kg tea = ₹$\frac{1615}{17}$ = ₹95; cost of 1 kg rice = ₹$\frac{572}{22}$ = ₹26. Required cost = ₹(17 × 18 + 95 × 21 + 26 × 27) = ₹(306 + 1995 + 702) = ₹3003.
Explanation as extracted from the printed page; notation may be imperfect.