Objective - To solve rational equations. Solve. Variable in denominator Restriction:

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Presentation transcript:

Objective - To solve rational equations. Solve. Variable in denominator Restriction:

Solve. Variable in denominator Restriction:

Solve. Variable in denominator Restriction:

Objective - To solve chart problems involving work. Work Rate TimeWork Done Work Rate TimeWork Done 5 hrs.1 Job

Jeff can paint a room in 4 hours. It takes Hal 5 hours to paint the same room. How long will it take them if they work together? Work Rate TimeWork Done Jeff Hal 1

Jeff can paint a room in 4 hours. It takes Hal 5 hours to paint the same room. How long will it take them if they work together? Work Rate TimeWork Done Jeff Hal 1

One water hose can fill a pool in 10 hours. A different hose only takes 6 hours. How long would it take if both hoses are used? Work Rate TimeWork Done 10 hr. hose 6 hr. hose 1

Work Rate TimeWork Done 1 10 hr. hose 6 hr. hose One water hose can fill a pool in 10 hours. A different hose only takes 6 hours. How long would it take if both hoses are used?

John can tile a 10’ x 10’ room in 80 minutes. It takes Sam 2 hours. If John works alone for 30 minutes and then Sam helps him finish, how much longer will the job take? Work Rate TimeWork Done John Sam 1

John can tile a 10’ x 10’ room in 80 minutes. It takes Sam 2 hours. If John works alone for 30 minutes and then Sam helps him finish, how much longer will the job take? Work Rate TimeWork Done John Sam 1

Julie can complete a wedding cake in 8 hours. Marty can put one together in 10 hours. If Julie and Marty work together for 4 hours, how long will it take Julie to finish the job alone? Work Rate TimeWork Done Julie Marty 1

Work Rate TimeWork Done 1 Julie Marty Julie can complete a wedding cake in 8 hours. Marty can put one together in 10 hours. If Julie and Marty work together for 4 hours, how long will it take Julie to finish the job alone?

Mixture Problem #1 A 12 pound mixture of peanuts and cashews sells for $6.50/lb. If peanuts sell for $3 per pound and cashews sell for $8 per pound, how many pounds of peanuts are in the mix? # pounds Price/lb.Total Price Peanuts Cashews Mixture

Mixture Problem #2 A 10% acid solution is mixed with a 60% acid solution to produce 120 liters of a solution that is 40% acid. How much of each solution was used to create the mixture? Solution % AcidTotal Acid 10% Sol. 60% Sol. 40% Mix