# math

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a 50 pound bag of glossy coat horse feed cost \$23.50. A 25 pound bag cost \$15.50. How much money per pound would you save by buying the bag with the lower unit price?

• math -

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. :)

• math -

4oes 23.5/50 = 0.47;

• math -

right. :)

• math -

0.62?

• math -

right. :)
now, subtract them to get amount per pound that can be saved.

• math -

0.14 punds?

• math -

0.15*

• math -

right. :)
but since it's amount per pound, the units must be in dollars/pound.

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