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# 100 - PowerPoint PPT Presentation

Changing forms. Basic \% problems. \% Change. \% Applications. Interest. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Final Jeopardy. Change .035 into a percent. 100. 3.5\%.

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Presentation Transcript
Changing forms

Basic % problems

% Change

% Applications

Interest

100

100

100

100

100

200

200

200

200

200

300

300

300

300

300

400

400

400

400

400

500

500

500

500

500

Final Jeopardy

If 4 students failed the test, and 28 passed the test, what percent of the students failed the test?

300

12.5%

R.J. spent \$12 on a movie, popcorn and soda. If this was 15% of his money, how much money did he have?

\$80

500

If the value of my stock went from \$3980 to \$2790,

What was the change in value?

100

\$1190

Find the percent change:

Original: 128

New: 176

200

37.5%

Gas prices have dropped from \$3.80 to \$2.24. Find percent change to the nearest tenth of a percent.

300

41.1% decrease

An item that was originally marked \$120 is on sale for \$96. What was the percent of savings?

400

20% savings

The population of Eagle Hill Middle school is currently 820 students. It is projected to have an increase of 5% next year. What will the population be next year?

500

861 students

A car salesperson earns an 8% commission on the sale of a car. If she sold a \$20,000 car how much was her commission?

100

\$1,600

A jewelry store marks up their items by 120%. If a ring cost them \$250 how much will they sell it for?

200

\$550

Estimate a 15% tip on a \$63.85 restaurant bill, and explain how you arrived at your answer.

300

Find the final cost, including tax, on a jacket originally priced at \$60, on sale for 40% off, and tax of 8%.

400

\$38.88

Find the original price of an item that is on sale for \$96 after it has been discounted 20%.

500

\$120

How much interest is earned after 6 months if \$1500 is deposited in an account that earns 3 ½% annually?

100

• \$26.25
How much money will you need to pay back if you borrowed \$5000 at 6 ¼% annually, for 5 years?

200

\$6562.50

A \$400 bond earns 2% simple annual interest. After how many years will it earn \$72 in interest?

300

9 years

The balance of an account is \$3,207. If \$3,000 was originally invested for 18 months, what was the annual interest rate?

400

4.6%

If the account balance is \$2,360, how much was originally invested if the account has earned 6% for the past 3 years.

500

\$2,000

The Final Jeopardy Category is:

% Change