Jean drove 70 miles per hour for a total of 420 miles on a trip. She used the equation below to calculate the time, t, it would
take her to complete the trip.
What is the constant of proportionality in the equation?
A.
6
B.
420
C.
t
D.
70
2 answers:
Answer:
D because she is constantly going 70 MPH
Step-by-step explanation:
hope this helps
Answer:
D. 70
Step-by-step explanation:
Distance = k × time
70 = k(1)
k = 70
Distance = 70 × time
time to complete the journey:
420 = 70 × time
time = 420 ÷ 70
time = 6 hours
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