Discover a world of knowledge and community-driven answers at IDNLearn.com today. Join our knowledgeable community and access a wealth of reliable answers to your most pressing questions.

PLEASE HELP I DON'T UNDERSTAND

PLEASE HELP I DONT UNDERSTAND class=

Sagot :

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.