X + 9 = 2x - 8
2x - x = 9 + 8
x = 17
BC = x = 17
answer
17 units
15. (2•l)+(2•w)=38.
(2•l)+8=38.
Subtract 8 from both sides which leaves (2•l)=30.
Divide by 2 from both sides and that leaves 15.
9 x 8 = 72
155 - 72 = 83
83 divided by 6 =13.8
So he has to make at least 14 deliveries in order to reach his goal.
Answer: 0.25
Step-by-step explanation:
