A. 2¾ miles
b. 22 laps/hr
c. 12 laps
Keep doing each step manually, and see where it slips up:
−7.9+8.2−3.4+2.1=−1
−7.9+8.2+(−3.4)+2.1=−1
−7.9+(−3.4)+8.2+2.1=−1
(−7.9+(−3.4))+(8.2+2.1)=−1
−11.3+10.3=−1
Answer:
<h3><u>3 t = 6000 lb</u></h3>
Step-by-step explanation:
Hope it is helpful...