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Two cars drive from town A to town B at constant speeds.the blue car travel 35 miles per hour, and the red car travels 70 miles per hour. the blue car leaves at 10:30, and the red car leaves at noon. the distance between the two towns is 140 miles. which linear equations represents the red car and the blue car?
a)red car y=70x
blue car y=35x+52.5

b)red car y=35x
blue car y=70x

c)red car y=70x
blue car y=35x

d) red car y=70x+105
blue car y=35x

Answer :

apologiabiology
ok so for the red car it should ahave at least y=70x and blue is y=35x at least

cross out answer B

the blue car had a head start so cross out answer that has  no headstart for blue

cross out answers C and D

only one left is A
answer is A (the 52.5 is a result of multiplying 35 by 1.5 hours)





answer is A

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