Answer:
Step-by-step explanation:
We are asked to write an algebraic expression for the given word phrase.
The sum of 'a' and 'b' would be .
10 times the sum of 'a' and 'b' would be 10 multiplied by sum of both 'a' and 'b':
Therefore, our required algebraic expression would be .
Answer: Width = 12 feet
length = 9 feet
$695