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Luda [366]
3 years ago
6

A cab company charges $2.75 per mile, plus an extra surcharge. Bernardo took a cab to the

Mathematics
1 answer:
viva [34]3 years ago
5 0

Answer:

a) $7.50

b) 10 miles

Step-by-step explanation:

a)

y=mx+b

y=$29.50

x=8

m=$2.75

b=unknown

29.50=2.75(8)+b

29.50-22=22-22+b

7.50=b

Check:

2.75(8)+7.50=29.50

b)

y=$35

x=unknown

m=2.75

b=7.50

35-7.50=2.75x+7.50-7.50

27.5/2.75=2.75/2.75x

10=x

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