3 years ago

The value of a car declined 20% per year. what percent of the original value remains after 2 years

1 answer:

5 0

60% is answer...20% is taken each year so After 2 yrs it's 40% less 100-40 is 60

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So y=mx+b
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y=-3x+b
subsitutue 1 for x and 4 for y
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add 3 to both sides
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the equaiton is y=-3x+7

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