The price after the discount was $45.
When the sporting goods store bought the snowboard and marked it up by 25%, the price became:
= Original cost x ( 1 + markup percentage)
= 120 x ( 1 + 25%)
= 120 x 1.25
= $150
The snowboard was then discounted by 70%, the new price becomes:
= Current price x ( 1 - discount rate)
= 150 x ( 1 - 70%)
= 150 x 30%
= $45
In conclusion, the price after the discount was $45.
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