38. You must leave for campus in half an hour, or you will be late for class. Unfortunately, you are snowed in. You can shovel the driveway in 45 minutes and your brother claims he can do it in 36 minutes.

38. You must leave for campus in half an hour, or you will be

late for class. Unfortunately, you are snowed in. You can
shovel the driveway in 45 minutes and your brother claims
he can do it in 36 minutes. If you shovel together, how long
will it take to clear the driveway? Will this give you enough
time before you have to leave?

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38. You must leave for campus in half an hour, or you will be late for class. Unfortunately, you are snowed in. You can shovel the driveway in 45 minutes and your brother claims…

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