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A parking garage charges $5.50 to park for 4 hours and $7.75 to park for 7 hours. If the cost is a linear function of the number of hours parked, what is the cost to park for 3 hours?
$2.25
$2.50
$3.25
$4.75

Respuesta :

xansforaliyah

Answer:

$4.75

Step-by-step explanation:

bigcrybaby

Answer:

I got the last one 4.75

Step-by-step explanation:

y=0.75x+b

find b

(4,5.5)

x=4

y=5.5

5.5=0.75(4)+b

5.5=3+b

minus 3 fromboth sides

2.5=b

y=0.75x+2.5

3 hours

y=0.75(3)+2.5

y=2.25+2.5

y=4.75

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