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Marianne buys 16 bags of potting soil that comes in 5/8 pound bags. a) How many pounds of potting soil does Marianne buy?  b) If Marianne's father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?



Answer :

luana
[tex]a)\ 16\cdot\frac{5}{8}=\\\\\frac{80}{8}=10\\\\Marianne\ buys\ 10\ pounds\ of\ potting\ soil.\\\\b)\ She\ has\ 10\ pounds,\ so\ she\ need\ bags\ only\ for\ 3\ punds.\\\\3:\frac{5}{8}=\\\\3\cdot\frac{8}{5}=\frac{24}{5}=4.8\\\\She\ need\ 5\ additional\ bags.[/tex]

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