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MaRussiya [10]
2 years ago
13

The number of miles driven varies directly with the number of hours in the car. Billy drives 171 miles in 3 hours, so he could d

rive _____ miles in 4.5 hours.
Mathematics
2 answers:
olga_2 [115]2 years ago
0 0
Remember that direct variation means that you have a relationship of the form
y=kx

In this case it's a special equation, namely distance=rate*time. So first we have to find the rate given the information in the problem:
171=3r
57=r

Now we know that the rate is constant since Billy's distance varies directly with time. The next step is to find distance given a different amount time:
d=57*4.5

You can finish that one off!
mrs_skeptik [129]2 years ago
0 0

Answer:

Step-by-step explanation:

Amillo

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