3 years ago

1. Renting a bicycle at a local Bike shop costs $30 for the first day and $10 for each additional day.

1 answer:

7 0

(a) d=days C=cost

d C
1 30
2 40
3 50
4 60

C=10(d-1)+30

(b) C=10(5-1)+30
C=40+30
C=70

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