A manufacturing company finds that they can sell 25 items at $3.50 per item and 150 items at $3.00 per item. If
the relationship between the number of items sold x and the price per item p is a linear one:
Find a formula that gives a in terms of p: x =__
Now use the formula to find the number of items they will sell if the price per item is $1.50. They will sell __ items if the price is $1.50.