# When working together, Bart and Lisa can clean their entire house in 2 hours. Working alone, Bart can clean the house in 5 hours. How long would it take.

## Presentation on theme: "When working together, Bart and Lisa can clean their entire house in 2 hours. Working alone, Bart can clean the house in 5 hours. How long would it take."— Presentation transcript:

When working together, Bart and Lisa can clean their entire house in 2 hours. Working alone, Bart can clean the house in 5 hours. How long would it take Lisa to clean the house by herself? (express your answer in hours and minutes)#1 #2 #3 Simplify #4

When working together, Bart and Lisa can clean their entire house in 2 hours. Working alone, Bart can clean the house in 5 hours. How long would it take Lisa to clean the house by herself? (express your answer in hours and minutes) #1 TimeWork Rate Bart Lisa Tog

When working together, Bart and Lisa can clean their entire house in 2 hours. Working alone, Bart can clean the house in 5 hours. How long would it take Lisa to clean the house by herself? (express your answer in hours and minutes) #1

#2 Simplify Complex Fractions

#3 Simplify Complex Fractions

#4 Simplify Complex Fractions

Rational Expressions Chapter 10 Word Problems Motion Problems Work Rate Mixture Solution

Mixture Problems 50 Liter 20 Liter 30 Liter Acid Water

Mixture Problems QQQQ TTTT WWWW HHHH 50 Liter 20 Liter 30 Liter Acid Water

Mixture Problems QQQQ TTTT WWWW HHHH 50 Liter 20 Liter 30 Liter 40% Acid solution 40% Acid Water

Mixture Problems QQQQ TTTT WWWW HHHH 50 Liter 20 Liter 30 Liter 40% Acid solution 40% Acid Water 40% 40% 40% 40%

Mixture Problems QQQQ TTTT WWWW HHHH 50 Liter 20 Liter 30 Liter Acid Water 40% Acid solution 40% 40% 40%

Original New Krissy has 8 gallons of fruit punch for a party. The punch is 25% orange juice and the rest of it is apple juice. She wants to make a drink that consists of 40% orange juice. How many gallons of orange juice must she add to the existing mixture? O.J. Total mixture x = amount of orange juice must be added?#1

Original New A doctor has 500 ml of a solution that is half alcohol. She needs a solution that is 60% alcohol. How many ml of alcohol should she add? Alcohol Total Solution x = amount of alcohol to be added.#2

Original New Ignacio, a world renowned chemist has 400 mL of a cleaning solution that is 20% bleach. He wants to make a solution that is 50% bleach. How much bleach should he add to the solution? Bleach Total mixture x = amount of bleach that must be added.#3

#1 Paige, the famous Hollywood beautician to the stars, has 400 mL of a hair dying solution that is 30% bleach. She wants to make a solution that is 60% bleach. How many mL of bleach should she add to the solution? Nicholas owns a motorcycle that goes 12 mph faster than his friend Matthews moped. The two left on a trip to a cabin in the mountains 217 miles away. When Nate arrived at the cabin Brady still had 42 miles to go. Find the speed of Nicholas motorcycle. Haley can type a 20 page paper in 5 hours. Abhina can type a 60 page paper in 8 hours. Working together, how long would it take them to complete a 40 page paper? (round your answer to the nearest minute) #2 #3 #4 Bailey, the fabulous chef at Chez Dennez, has prepared 20 quarts of soup. Bailey was horrified to find out that she made a mistake in the recipe and the soup that she prepared is only 10% chicken stock. Bailey needs to make the soup with 20% chicken stock. How much pure chicken stock should she add to the original soup?

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