Worksheet 5

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Worksheet Worksheet 5
A4 US

1.

A shirt was marked on sale at 20% off the regular price. The cost of the shirt at the register was $12. What is the regular price of the shirt?

The part:
The whole:
The percent:

Answer:

2.

In the previous problem, a common error for students to make is that they compute 20% of $12 (which is $2.40) and then add that amount to $12 to get $14.40. Give two different explanations for why this approach is not correct.

3.

A tip can be calculated using the following method: (1) Start with the total bill; (2) Move the decimal point one space to the left; (3) Double that new number. Use algebra to explain why this results in a 20% tip.

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Worksheet Worksheet 5 A4US

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Worksheet Worksheet 5
A4 US