SOLUTION: A snowman weighing 250 pounds begins to melt in the spring. It loses 4% of its weight every day. How many full days will pass before it weighs less than 100 pounds?
a 17 b 22
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Question 302178: A snowman weighing 250 pounds begins to melt in the spring. It loses 4% of its weight every day. How many full days will pass before it weighs less than 100 pounds?
a 17 b 22 c 23 d 27 e 45
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A snowman weighing 250 pounds begins to melt in the spring. It loses 4% of its weight every day. How many full days will pass before it weighs less than 100 pounds?
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weight = 250(0.96)^x
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250(0.96)^x<100
(0.96)^x < 2/5
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x < [log(2/5)]/[log(0.96)}
x < 22.47
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Cheers,
Stan H.
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a 17 b 22 c 23 d 27 e 45
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