Calvin's trip to Home Depot

By: Calvin Shanks

Sheet of Wood

At Home Depot, the area of a sheet of wood was 32 sq ft. If the cost of the sheet of wood was $8 , plus $4 of tax, then what was the cost of one square foot?
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Water Pump

Calvin earns $5 each week. He wants to buy a water pump that costs more than $50. If he already has $20 then how many weeks until he can buy his water pump?
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Science Project

For his science project he needed 3 light bulbs which were $3 each and 30 screws which were $0.05 each. He needs 4 sets of these for his project. He also has to pay $5 every week for all the light bulbs to stay on. How many weeks until he reaches $80?
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Flowers

Home Depot supported 2 companies for plant, Flower Power and Power to the Plants. Flower Power has a starting fee of $12 and costs $4 every plant, but Power to the Plants costs $8 per plant. How many plants would Calvin have to buy for Flower Power to be cheaper?
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