1. It takes Mom, Dad and Isabel two hours to shovel their driveway after a snow storm. If Dad worked alone, it would take him 4 hours to shovel the entire driveway by himself. If Isabel worked alone, it would take her twice as long as Dad. How long would it take Mom to shovel the driveway herself?

1. It takes Mom, Dad and Isabel two hours to shovel their driveway after a snow storm. If Dad worked alone, it would take him 4 hours to shovel the entire driveway by himself. If Isabel worked alone, it would take her twice as long as Dad. How long would it take Mom to shovel the driveway herself?

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Description: Please refer to the attached image for my question! 1. It takes Mom, Dad and Isabel two hours to shovel their driveway after a snow storm. If Dad worked alone, it would take him 4 hours to shovel the entire driveway byhimself. If Isabel worked alone,

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.5: Solve Applications With Rational Equations

Problem 312E: Ronald can shovel the driveway in 4 hours, but if his brother Donald helps it would take 2 hours....

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1. It takes Mom, Dad and Isabel two hours to shovel their driveway after a snow storm. If Dad worked alone, it would take him 4 hours to shovel the entire driveway by
himself. If Isabel worked alone, it would take her twice as long as Dad. How long would it take Mom to shovel the driveway herself?
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