Becker lumber gives contractors a 10% discount on all orders. After the discount a contractor's order cost $279. What was the original cost of the order?

1 Answer
Dec 17, 2017

Answer:

#$310#

Explanation:

So, the cost after the discount was #$279#. That means #10%# of the original cost was taken away to get the #279#, which is thus #90%# of the original cost.

Let #x# be the original cost.

#279=.9x#

#x=279/.9#

#x=310#