Posted by Lilly on Friday, October 29, 2010 at 4:26am.
you have to solve for amount per pound of each:
23.5/50 = ?
15.5/25 = ?
then subtract the answers you got to get the amount per pound that can be saved by buying the lower unit price.
hope this helps. :)
4oes 23.5/50 = 0.47;
right. :)
how about 15.5/25 = ?
0.62?
right. :)
now, subtract them to get amount per pound that can be saved.
0.14 punds?
0.15*
right. :)
but since it's amount per pound, the units must be in dollars/pound.
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