# Finding a percentage of a total amount: Real-world situations Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Finding a percentage of a total amount: Real-world situations. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - A fast food bill was $62. If you give a 15 percent tip, what total amount will you give? ### Answer : C ### Explanation Step 1: Bill amount =$62

Step 2:

Tip amount = 15% of $62 = 0.15 × 62 =$9.30

Step 3:

Total amount = bill amount + tip amount =

= $62 +$9.30 = $71.30 Q 2 - A computer game costs$36. This Christmas season, the game is marked 20% off. How much does the game cost after discount?

### Explanation

Step 1:

Cost of game = $36; Step 2: Discount = 20% ×$36 = 0.2 × $36 =$7.20

Step 3:

Cost of game after discount = $36 −$7.20 =

### Explanation

Step 1:

Cost of lawn mower = $75 Step 2: Cost of service agreement = 21% of$75

= 0.21 × 75 = $15.75 Step 3: Cost of mower and agreement = 75 + 15.75 =$90.75

Q 9 - An old battery lasts for 14 hours. The new battery lasts 25 percent longer. How many hours will the new battery last?

### Explanation

Step 1:

Duration of old battery life = 14 hours

Step 2:

Increase in duration = 25% of 14 = 0.25 × 14

= 3.5 hours

Step 3:

Duration of new battery life = 14 + 3.5

= 17.5 hours

Q 10 - A store had a table that cost $69. After a few months the store took 10% off the price. How much is cost of the table now? ### Answer : C ### Explanation Step 1: Cost of table =$69

Step 2:

Mark down = 10% of $69 = 0.1 × 69 =$6.9

Step 3:

Cost of table after mark down = 69 – 6.9

= \$62.1

finding_percentage_of_total_amount_realworld_situations.htm