a grocery store is selling ground beef for $1.89 a pound. how much does it cost to buy 2.5 pounds of ground beef? please help my
1 answer:
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Z=kx/y
7.9=k11/14
Cross multiply
K11=7.9x14
K =7.9x14/11
K=10.1
........
Z= kx15/22
Z=10.1x15/12
Z=12.625
