1) A sporting goods manufacturer produces skateboards and in-line skates. Its dealers demand at least 30
skateboards per day and 20 pairs of in-line skates per day. The factory can make at most 60 skateboards
and 40 pairs of in-line skates per day. The total number of skateboards and pairs of in-line skates cannot
exceed 90. The profit on each skateboard is $12 and the profit on each pair of in-line skates is $18.
How many of each product should the company manufacture to get the maximum profit.
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