Aconstruction contractor received two deliveries of building supplies from a lumberyard. the two deliveries included 10 boxes of nails, which coast a total of $110. question: write and solve an equation to determine n, the cost in dollars of one box of nails.

To solve this problem you must apply the proccedure shown below:

 1. You have that the 10 boxes of nails that were included in the two deliveries,had a total cost of $110.
 2. Therefore, you can calculate the cost in dollars of one box of nails (n), as following:

 "n" is the cost of one box of nails.

 10n=110
 n=110/10
 n=11 dollars

110698.56 square miles

step-by-step explanation:

multiply 3.8 by 102

387.6

multiply 2.8 by 102

285.6

multiply those two to get

110698.56 square miles