do number 10 giving brainliest

Answer:
945
Step-by-step explanation:
This is how I got the answer:
First I transformed all of the measurements into feet( there are 3 feet in each yard)
6 feet
6 feet
9 feet
12 feet
Then I added 6 and 12, and 6 and 9= 18x15= 270
And then u multiply 270 by 3.50
which gets u 945
Therefore, his company will charge $945