Housing Costs10? The cost C (in dollars) of building a house is related to the number k of carpenters used and the number e of electricians used by
If
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Finite Mathematics and Applied Calculus (MindTap Course List)
- TEST YOUR UNDERSTANDING For dessert, we need to buy apples and oranges. Apples cost 0.40 each, and oranges cost 0.60. We need 3 times as many apples as oranges, and we have 7.20 to spend on fruit. How many of each do we buy?arrow_forwardComputer Virus The number V of computers infected by a virus increases according to the model Vt=100e4.6052t, where t is the time in hours. Find the number of computers infected after (a) 1 hour, (b) 1.5 hours, and (c) 2 hours.arrow_forwardAn Uncertain Investment Suppose you invested 1300 in the stock market two years ago. During the first year the value of the stock increased by 12%. During the second year, the value of the stock decreased by 12%. How much money is your investment worth at the end of the two-year period? Did you earn money or lose money? Note: The answer to the first question is not 1300arrow_forward
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