One serving of cereal is 32 grams. Ella needs 18 servings of cereal for a soccer team breakfast She wants to buy enough cereal with the least amount left over. How much should she buy?

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Answer 1 · 2017-09-26T22:04:53

#576# grams of cereal. (assuming cereal can be bought "by the gram")

#(32" grams")/cancel("serving") xx (18 cancel" servings")/color(white)(x)=576 " grams"#

Answer 2 · 2017-09-26T22:10:28

She needs to buy at least #"576 g"# of cereal.

#"32 g"="1 serving"#

Use dimensional analysis to determine the mass of cereal needed.

#18color(red)cancel(color(black)("servings"))xx"32 g"/(1color(red)cancel(color(black)("serving")))="576 g"#