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11. Chad was driving at a constant speed. he drove 196 miles in 3.5 hours.

A. What was her speed in miles per hour?

Write an equation to show the relationship between t (time) and
d (distance traveled)
HINT: Distance = time x speed)

c. If she continues to drive at the same speed, how many miles can she go in 75 hours

d. After 7.5 hours, she decides to decrease her speed to 3/4 of her earlier speed. What is her
new speed?

User Jony Cruse
by
4.9k points

1 Answer

10 votes

Answer:

a - 56mi/h

b - confuzzled so heres the rearranged formulas?

speed = distance/time

time = distance/speed

distance = speed x time

c - 4200 miles

d - 42mi/h

Explanation:

s=d/t

196/3.5=56

56x75=4200

1/4 of 56

56/4= 14

14x3=42

User Skamielina
by
4.6k points