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maw [93]
3 years ago
13

You are biking at a speed of 18 miles per hour. You are 3 miles behind your friend who is biking at a speed of

Mathematics
1 answer:
labwork [276]3 years ago
3 0

Answer:

12t -3 = 18t

Step-by-step explanation:

Let

d = your friends distance in miles

t = time in hrs

Your equation:

d - 3 = 18t (1)

Because you are 3 miles behind your friend

Your Friend's equation:

d = 12t (2)

To find the amount of time t it takes for you to catch up with your friend,

Substitute (2) into (1)

d - 3 = 18t

12t - 3 = 18t

Equation to find the amount of time t it takes for you to catch up to your friend is 12t - 3 = 18t

Solving the equation

12t - 3 = 18t

Collect like terms

12t - 18t = 3

-6t = 3

t = 3/-6

= -0.5

t = 1/2 hour

Time can not be negative, therefore it will take 1/2 an hour to catch up with your friend

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Step-by-step explanation:

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Hello from MrBillDoesMath!

Answer:

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Discussion:

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Regards,  

MrB


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