Percent
More on Percent
Proportion
Measurement/Ratio and Rates
Trick or Treat/ Name that Candy
100

Write 0.005 as a percent and as a fraction in lowest terms.

What are 0.5% and 5/1000 = 1/200.

100

Find the percent increase of the population of a town t 3100 in 2007 to 5650 in 2010 ( round to 1 decimal)

What is 82.3%

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original amount(yr: 2007) = 3100 

Steps: Difference = 5650 - 3100 = 2550

% increase = difference/original amount 

% increase = 2550/3100 =.823= 82.3% 

100

Solve for x.

15/x = 7/2

What is 30/7.

100

The average human heart beats 4320 times every 60 minutes. Express this as a unit rate.

What is 72 beats /min.

100

a) A famous swashbuckling trio of old.

b) Red planet.

a) What is the 3 Musketeers.

b) What is Mars.

200

80% of what number is 104?

What is 130.

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Steps: 0.80 * X = 240; solve for x.

x = 240/0.80 = 130


200

A friend has a 79% average before the final exam for a course. That score includes everything but the final, which counts for 20% of the course grade.

What is the best course grade your friend can earn?

What is 83.2%.

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79(80%) +100(20%) = 83.2% 

200

If one glass of milk contains 280 milligrams of calcium, how much calcium is in 1 1/2 glasses of milk

What is 420 mg of calcium.

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Steps:

1 glass/280 mg = 1_1/2 glasses/ x mg

1x = 280 * 3/2

x = 840/2 = 420 mg


200

73 in = _________ft ___________in

What is  6 ft  1 in.

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73 / 12 = 6.083333.....

1)73/12 = 6.0833333.... =  6 ft

2) 0.83333... * 12 = 1in

200

a) Home of the movie stars.

b) Can't hold onto anything.

a) What is Hollywood.

b) What is butterfingers.

300

 $1900 borrwed, agreeing to pay it back with 3% annual interest after 10 months

(Round to 2 decimals)



 What is $47.50.


Steps: I = (1900 * 0.03 * 10)/12 = $47.50

 ( 2 decimals)

300

A number is increased by 20% and then decreased by 20%. What is the net amount.

Provide an example.

What is  4% decrease.

1) 20% of 100 = 120

2) 20% of 120 = 24

Subtract: 120 - 24 = 96 (100 to 96 = a decrease of 4%)

300

The dental assistant is to mix the modeling mix for a dental model. She has learned that she should use 50 milliliters of water for 100 milligrams of the modeling mix. How many milligrams of modeling mix are used with 75 milliliters of water?

What is 150 mg..

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50/100 = 75/x

50x = 100*75

50x = 7500

x = 150 

300

A friend comes to visit and mentions the temperature in their hometown is currently -3 degrees Celsius. What is this in Fahrenheit? (Write your answer as a whole number.

What is 27 degrees.

300

a) Famous New York Street.

b) Famous former baseball player.

a) What is 5th Avenue.

b) who is Babe Ruth.

400

Salary of $34,000 a year receives a cost-of-living increase of 2.4%, what is the new salary/

What is a salary of $34,816.

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Steps

New Salary = Increase + Salary

New Salary = 0.024*34,000 + 34,000= $38,816,

400

An article reports "attendance dropped 7% this year, to 1350." What was the attendance before the drop? 

Round up to the nearest whole number.

What is 1452?

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100%(attendance) - 7%(attendance) = 1350

93%(attendance) = 1350

attendance = 1350/0.93=1451.6 = 1452


400

The lab mixes a 12% solution for the physician. A 12% solution has a 3 : 25 ratio. This ratio includes 3 grams of powder in 25 milliliters of solution. How many grams of powder will be added to 65 milliliters of solution?

What is 7.8g .

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3/25 = x/65

25x = 3* 65

25x = 195

x = 65/25 = 7.8

400

If you spend 1.5 hours a week studying for English and 2 hours studying for math what is the ratio of time spent studying in math to studying for English?

What is 4/3.

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Steps: 2.0/1.5 = 20/15 = 4/3


400

a) Favorite day for working people.

b) What bees make.

a) What is Payday.

b) What is BIT O Honey.

500

A wholesale price of $500 and a markup percent of 82%. Find the ticket price.




The ticket price is $910.

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Steps:

Ticket Price = Increase + Wholesale price

Ticket Price = 0.82*500 + 500 =$910

500

A man realizes he lost the detailed receipt from the store and only has the credit card receipt with the after-tax total. If the after-tax total was $1,944.00, and the tax rate in the area is 8%, what was the pre-tax subtotal?

What is 1800.

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100%*price + 8%price = 1944

i.e 100% + 8% = 108%

108%* price = 1944

 (so 108% of price equals after tax amount)

price = 1944/1.08= $1800


500

How many milligrams of medication would a nurse administer to a 95-pound child if the prescribed dose was 30 milligrams for every 10 pounds?

What is 285 mg.

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95/x = 10/30

10x = 95 * 30 

10x =2850

x = 285.

500

You need to mix the oil and gas together in a specific ratio of 2.4 fl. oz. of oil for every gallon of gasoline. 

You have 3 quarts of gas.  How much oil should you add?

What is 1.8 oz oil.

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1) change 3 qt to  gallons: 3/4 = 0.75 gallons

2) 0.75 gallons * 2.4 oz/1 gallon = 0.75*(2.4oz oil)=1.8 oz oil


500

a) Nut Happiness

b) Two female pronouns

a) What is Almond Joy.

b) Who is Her Shey.

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