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Investment Word Problem

Q: Hakim invested $15000. He put part of it in a term deposit that paid 4% per annum, and the remainder in a treasury bill that paid 5% per annum. After one year, the total interest was $690. How much did Hakim invest at each rate?

A: You have two unknowns (the amounts invested . . . → Read More: Investment Word Problem

Trail mix, mixture word problem

Q: The manager of a bulk foods establishment sells a trail mix for $10 per pound and premium cashews for $15 per pound. The manager wishes to make a 100-pound trail mix-cashew mixture that will sell for $14 per pound. How many pounds of each should be used?

A: Let x = pounds of . . . → Read More: Trail mix, mixture word problem