A milkman bought 50 litres of milk for $15 per litre and sold it at a profit of $ 150. what was the selling price of milk per litre.
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Answer:
$18
Step-by-step explanation:
No. of litres bought=50
Cost of 1 litre=$15
Total cost of 50 litres=15×50=$750
Total profit made=$150
Total cost of 50 litres=$750
Total cost of 50 litres after profit=750+150=$900
Total cost of 50 litres=$900
Cost of 1 litre=900÷50=18
Selling price of 1 litre=$18
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