Kendr is buying bottled water for a class trip. She has 16 bottles left over from the last trip. She buys bottles by the case to get a good price. Each case holds 24 bottles. How many cases will she have to buy if she wants to have a total of 160 bottles?

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Answer 1 · 2018-01-18T19:53:56

#7#

#16# bottles are left, so #16# fewer bottles need to be bought.

#160 - 12 = 148#

number of cases needed:

#148/24 = 6.1666....#

#6.16... > 6#

since the number of cases must be a whole number, more than #6# bottles are bought.

#6.16# rounded up, to the next whole number, is #7#.