It costs $45 to rent a car each day. there is also a fee of $12. how much does it cost to rent a car for 5 days, including the fee? write an equation for each problem. use a variable for the unknown. solve.

An equation for each problem is

The total cost for 5 days is $237

Step-by-step explanation:

Rent per day of car = $45

Let x be the no. of days

Rent for x days = 45x

There is also a fee of $12

So, Total cost for x days = 12+45x

Let y denotes the total cost

An equation for each problem is

Substitute x = 5

Hence the total cost for 5 days is $237

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

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