Question

56 An explorer wants to cross a desert that is 7 km long. He can walk 1 km per day and he must drink one bottle of water a day. A maximum of 5 bottles of water can be taken from the village. At least how many days does the explorer need to cross the desert ?

          56
An explorer wants to cross a desert that is 7 km long.
He can walk 1 km per day and he must drink one
bottle of water a day. A maximum of 5 bottles of
water can be taken from the village. At least how
many days does the explorer need to cross the desert ?

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56
An explorer wants to cross a desert that is 7 km long.
He can walk 1 km per day and he must drink one
bottle of water a day. A maximum of 5 bottles of
water can be taken from the village. At least how
many days does the explorer need to cross the desert ?

Added by Thomas J.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

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Solved by Expert James Kiss

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