JEOPARDY 7.1 Ratios 7.2 Proportions 7.3/7.4 Fractional Equations 7.5 Percent Basics 7.6 Percent Word Probs 100 200 300 400.

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Presentation transcript:

JEOPARDY 7.1 Ratios 7.2 Proportions 7.3/7.4 Fractional Equations 7.5 Percent Basics 7.6 Percent Word Probs

Ratios 100 Write in simplest form:

Ratios 100 answer

Ratios 200 Write in simplest form: 35 minutes: 7 seconds

Ratios 200 answer 300:1

Ratios 300 The ratio of pigs to cows on the farm is 6:7. There are 39 pigs and cows total on the farm. How many cows are there?

Ratios 300 answer: 21 cows

Ratios 400 Three numbers have ratio 4:6:9 and sum to Find the largest number.

Ratios 400 answer The largest number is 22.5.

Proportions 100 Every proportion can be solved by ___.

Proportions 100 answer cross multiplying

Proportions 200 True or False: 14/29 and 15/31 make a proportion.

Proportions 200 answer False

Proportions 300

Proportions 300 answer x = 5/3

Proportions 400

Proportions 400 answer: 1 st : Cross multiply 2 nd : Solve by factoring Solution: x = 5, x = 2 or {5, 2}

Fractional Equations 100

Fractional Eqns 100 answer 3x(x+3)

Fractional Equations 200

Fractional Eqns 200 answer {9}

Fractional Equations 300

Fractional Eqns 300 answer

Fractional Equations 400

Fractional Eqns 400 answer 1 st : Find the LCD. (2r + 4) 2 nd : Multiply through by the LCD. 3 rd : Solve for r.

% Basics 100 Write as percents: a) 0.9 b) c) 13/100

% Basics 100 answer a) 0.9 = 90% b) =.68% c) 13/100 = 13%

Find 13% of 9. % Basics 200

% Basics 200 answer: Find 13% of 9. (0.13)(9) = % of 9 = 1.17

% Basics 300 What percent of 30 is 2?

% Basics 300 answer What percent of 30 is 2?

% Basics 400 a) What is the new price Bob will pay for an $80 hat if it gets discounted 20%? b) What will the final price be if he must pay 5% sales tax?

% Basics 400 answers a) What is the new price Bob will pay for an $80 hat if it gets discounted 20%? 80 – (0.20)80 = 80 – 16 = $64 Bob will pay $64. b) What will the final price be if he must pay 5% sales tax? (0.05) = = $67.20 The final price after tax is $67.20

More Percents 100 Jack bought a dog for $300. It won several championships at dog shows and appreciated to $500. What was the percent increase in value of the dog?

More Percents 100 answer Jack bought a dog for $300. It won several championships at dog shows and appreciated to $500. What was the percent increase in value of the dog?

More Percents 200 Jill earned $600 last year on an account earning 4.75%. How much had she invested originally?

More Percents 200 answer Jill earned $600 last year on an account earning 4.75%. How much had she invested originally?

More Percents 300 Lou saved money by buying a CD on sale for $6.36. If the original price was $7.95, what was the percent of the discount?

More Percents 300 answer

More Percents 400 Pug invested $6000 in two accounts: part in account A earning 6% and another part in account B earning 11%. If Pug earned $580 total for the year, how much was invested in each account ?

More Percents 400 answer Pug invested $6000 in two accounts: part in account A earning 6% and another part in account B earning 11%. If Pug earned $580 total for the year, how much was invested in each account? $1600 invested in account A; $4400 invested in account B

JEOPARDY (handout) 7.1 Ratios7.2 Proportions7.3/7.4 Fractional Equations 7.5 Percents7.6 More Percents