Answer:
Step-by-step explanation:
Set the cost equation C(l) = l3 – l2 + l + 2.5 equal to $11.00 and solve for l:
C(l) = 2l + 2.5 = $11, or
2l = 8.5, or l = length = 4.25 inches
6a + 60
5w + 25
56 f - 122
10.5 w - 31.5
0
m - n -1
As attached
6,000:3
