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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
slide2
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

slide10
If 4 students failed the test, and 28 passed the test, what percent of the students failed the test?

300

12.5%

slide12
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

slide13
If the value of my stock went from $3980 to $2790,

What was the change in value?

100

$1190

slide14
Find the percent change:

Original: 128

New: 176

200

37.5%

slide15
Gas prices have dropped from $3.80 to $2.24. Find percent change to the nearest tenth of a percent.

300

41.1% decrease

slide17
An item that was originally marked $120 is on sale for $96. What was the percent of savings?

400

20% savings

slide18
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

slide19
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

slide20
A jewelry store marks up their items by 120%. If a ring cost them $250 how much will they sell it for?

200

$550

slide21
Estimate a 15% tip on a $63.85 restaurant bill, and explain how you arrived at your answer.

300

$ 9.60 or about $9-$10

slide22
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

slide23
Find the original price of an item that is on sale for $96 after it has been discounted 20%.

500

$120

slide24
How much interest is earned after 6 months if $1500 is deposited in an account that earns 3 ½% annually?

100

  • $26.25
slide25
How much money will you need to pay back if you borrowed $5000 at 6 ¼% annually, for 5 years?

200

$6562.50

slide26
A $400 bond earns 2% simple annual interest. After how many years will it earn $72 in interest?

300

9 years

slide27
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%

slide28
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

slide29
The Final Jeopardy Category is:

% Change

Please record your wager.

slide30
If a $1,000 investment had a 20% decrease in value, what percent increase would it need to bring it back to it’s original value?

25% increase

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