Respuesta :
Answer:
22 miles
Step-by-step explanation:
Let's create some variables :
⇒ total fare = y
⇒ number of miles = x
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Making the equation :
⇒ y = mx + b
⇒ m = rate per mile
⇒ b = pick-up fee
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Given :
⇒ y = $47.20
⇒ m = $2
⇒ b = $3.20
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Substituting and solving :
⇒ 47.20 = 2x + 3.20
⇒ 2x = 47.20 - 3.20
⇒ 2x = 44
⇒ x = 22 miles
- Pick up fee(Fixed)=$3.20
This is our y intercept
- Rate of pay=$2 per mile
This is our slope or rate of change
So
The equation becomes
- d=2m+3.20
Where m is miles driven
- 47.20=2m+3.20
- 2m=44.00
- m=22.0miles