Dylan St Half Life and Doubling (Solve for t)
Apr 20, 7:55:17 PM
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A new car is purchased for $19,000 and over time its value depreciates by one half
every 5 years. How long, to the nearest tenth of a year, would it take for the value of
the car to be $7,000?

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attempt 1 out of 2

3. mr. sanchez’s class sold fruit pies for $1.65 each and mr. kelly’s class sold bottles of fruit juice for $1.36 each. together, the classes sold 79 items and earned $118.17 for their school. (a) write and solve a system of equations that model the problem. show all your work. (b) which class earned more money? (c) how much more money did that class earn?