Answer:
21.4
Step-by-step explanation:
delta math told me! :)
P = 2l + 2w
solve for w
re-write
2l + 2w = P
subtract 2l from both sides
2w = P - 2l
divide both sides by 2
w = (P - 2l) / 2
Answer is B
a. $9,425.10
b. $3,707.60
Answer:42 dollars
c
a