Question

The cost to rent skis at a local sporting goods store is $15 plus $20 per day. Which equation models the relationship between the total cost to rent, c, and the length of the rental in days, d? c = (15 20)d c = 15d 20 c = 20d 15 c = (15 d)20.

Answer 1

The cost of renting the skies at a local sporting goods store is given and we have to find the suitable equation which supports the given data.

Given

cost of renting is $15

Per day cost $20

Fixed and Fluctuating cost

The renting cost is $15 and is a fixed cost which will remain constant i.e. $15 , no matter you rent skies for how many days.

The cost per day for renting skies is a fluctuating cost and it  will change with the change in number of days.

The equation should be $c = 20d + 15$

where;

$20 is the price per day

d represents the number of days

$15 is the rental price

Therefore the equation that  models the relationship between the total cost to rent, c, and the length of the rental in days, d is "$c = 20d + 15$" and OPTION C is correct.

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