10.7 Using Rational Equations Goal: To solve problems involving work questions using RE.

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10.7 Using Rational Equations Goal: To solve problems involving work questions using RE

Everett can bike 10 miles per hour. Lavern can bike 15 miles per hour. Austin and Beaumont are 250 miles apart. In how many hours will they meet if they leave at the same time? A B Everett could make the entire distance by himself in ______ hours. 25

Everett can bike from Vinton to Beaumont in 5 hours. It takes Lavern 4 hours.. In how many hours will they meet if they leave at the same time? V B 20( )

Everett can bike Ville Platt to Guedon in 10 hours. Lavern can bike the same trip in 15 hours. If how many hours will they meet if they leave at the same time? 30( )

Everett can bike from CutnShoot to Beaumont in 5 hours. It takes Lavern 6 hours.. In how many hours will they meet if they leave at the same time? C B 30( )

Everett can type a term paper in 8 hours. Laverne can type the same term paper in 12 hours. How long will it take them to type it if they work together? 24( )

Helen can paint a living room in 5 hours. If Bill helps Helen they can paint the room in 3 hours. How long would it take Bill to paint the living room alone? Let x =# hours it will take Bill 33 5x( )

Al can paint a living room in 3 hours. If Henry helps Al they can paint the room in 2 hours. How long would it take Henry to paint the living room alone? Let x =# hours it will take H

Virginia can deliver the papers on her paper route in 30 minutes. When her brother Wayne takes the route, it takes him 40 minutes. How long does it take if they deliver the papers together? 4(10) 3(10) 120( )

Virginia can deliver the papers on her paper route in 20 minutes. When her brother Wayne takes the route, it takes him 30 minutes. How long does it take if they deliver the papers together? 60( )

The reciprocal of 7 and the reciprocal of 3 is the same as the reciprocal of what number? 21x( )

The additive inverse of a number divided by 16 is the same as one less than three times its reciprocal. Find the number.

The reciprocal of 2 more than a number is three times the reciprocal of the number. Find the number.

Page 458, # r-3

Page 458, (6 and 8 – 10)

Assignment: Page 458 #’s(2-16) even (21-24) all Write the questions down