Marina drove 288 miles in the same amount of time it took Jaime to drive 312 miles. If Jaime drove 6 miles per hour faster than

Question

3 years ago

10

Marina, at which speeds were Jaime and Marina traveling?

1 answer:

sp2606 [1] · Answer 1 · 2022-08-22T00:53:00+03:00

sp2606 [1]3 years ago

6 0

Let X = Marinas speed in MPH

Let T = Time

T=288/X
312=(X+6)T
312=(X+6)(288/X)
312=288X/X+1728/X
312=288+1728/X
312-288=1728/X
24=1728/X
24X=1728

X=1728/24
X=72 MPH FOR MARINA

72+6=78 MPH FOR JAMIE