Floyd is an aspiring music artist. He has a record contract that pays him a base rate of \$200 dollar sign, 200 a month and an additional \$12 dollar sign, 12 for each album that he sells. Last month he earned a total of \$644 dollar sign, 644. Write an equation to determine the number of albums (a)(a)left parenthesis, a, right parenthesis Floyd sold last month.
Find the number of albums Floyd sold last month.

What is the perimeter of quadrilateral A'B'C'D'A
′
B
′
C
′
D
′
A, prime, B, prime, C, prime, D, prime?