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Chapter 2: Q8. (page 121)

PROM A limo costs $85 to rent for 3 hours plus a 7% sales tax. What is the total cost to rent a limo for 6 hours?

Short Answer

Expert verified

The total cost to rent a limo for 6 hours is $181.9.

Step by step solution

01

Step 1. Use the definition of percentage change

The percent change is the increase or decrease in the value of a quantity. If the new value is larger than the original value then it is a percent increase and if the change in value is lesser than the original value it is called percentage decrease.

Sales tax is a percentage of the original cost which is added before selling an item. Final price is called selling price.

02

Step 2. Find the total price change.

If we let the total cost of renting the limo be x, and the original price is $85, is given.

Since time 6 hours is twice of 3 hours, we must multiply the results by 2, x can be calculated as:

x=27%×$85+$85x=27100×85+85x=20.07×85+85x=25.95+85x=290.95x=$181.9

Thus, the total cost to rent a limo for 6 hours is $181.9.

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