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Ksenya-84 [330]
3 years ago
14

PLEASE HELP I DON'T UNDERSTAND

Mathematics
1 answer:
OLga [1]3 years ago
6 0
X = the number of months the tire was used
y = the thickness of the tire tread

y = -(3/7)x + 20

Substitute x for 20 (the number of months the tire was used) and solve for y.

The next question: Substitute x for 49 (the number of months the tire was used) and solve for y.


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