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Leokris [45]
3 years ago
15

What is the length of the green route in miles?

Mathematics
2 answers:
faust18 [17]3 years ago
4 0
The correct answer is G) 4.5 mi.

Let b be the length of the blue route and g be the length of the green route:

6g+5b=52
12g+13b=119

We will use elimination to solve this.  We will make the coefficients of g equal by multiplying the first equation by 2:
2(6g+5b=52) → 12g+10b=104

Now we will subtract the second equation from this:
  12g+10b=104
-(12g+13b=119)
-3b=-15

Divide both sides by -3, and we have
b = 5

Substitute this into the first equation:
6g+5(5)=52
6g+25=52

Subtract 25 from both sides:
6g=27

Divide both sides by 6:
g = 27/6 = 4.5
creativ13 [48]3 years ago
4 0
The green route is 4.5 miles long.

This is a system of equation problem. You have to set up 2 different equations and then solve them.

You could have:

6g + 5b = 52
12g + 13b = 119

To solve them, you can use graphing, substitution or elimination.

Either way, you will find the blue route is 5 miles and the green route is 4.5 miles.
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