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Nata [24]
3 years ago
13

Nancy is running on a trail that is a 5.3 miles long. After 20 minutes she has ran 1.45 miles. Write an addition equation to fin

d how much farther Nancy has to run to complete the trail.
Mathematics
1 answer:
Zolol [24]3 years ago
3 0
The first thing we are going to do for this case is to define a variable.
 We have then:
 x: number of minutes
 y: number of miles traveled.
 The equation that models this problem is given by:
 y = - (1.45 / 20) x + 5.3

 (-1.45 / 20): is the speed with which Nancy runs
 5.3: is the length of the path.
 Answer:
 
an addition equation to find how much farther Nancy has to run to complete the trail is:
 
y = -(1.45/20)x + 5.3
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