Problem 1
Nine books are to be bought by a student. Art books cost $6.00 each and biology books cost $6.50 each . If the total amount spent was $56.00, how many of each book was bought?
Problem 2
Eva deposit 5250 USD in 100 banknotes in the bank.They had value 5, 20, and 100 USD. How many 100 USD bills did she deposit?
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Problems - 04/11/19
Problem 1
Two friends traveling by plane had a total of 35lb of luggage. They paid 72 and 108 dollars for being overweight. If only one paid for all the bags, it would cost 300 dollars. What weight of baggage did each of them have?
Problem 2
Five counters are open at airport for checkin. Customers wait an average of 15 minutes. How many more counters have to open to reduce the waiting time by 4 minutes? (Assume the processing time is uniform)
Congratulations to Ramachandran Balakrishna and Kishore Balsara, who were winners of the last set of puzzles.
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