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Please help me

Guest Jun 15, 2018
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216/[5+7+12]=9 value of 1 unit
9 x 5 = 45 small cakes sold
9 x 7 =63 medium cakes sold
9 x 12 =108 large cakes sold.
Let the profit on 1 small cake =p, then:
45p + 63*2p + 108*3p =648.45, solve for p
p = 1.31 pounds - profit on 1 small cake.

Guest Jun 15, 2018

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