Answer:
t = 1
Step-by-step explanation:
1) Subtract 4 from both sides so you get -2t = -2
2) Divide both sides by 2 so you get t = 1
Its max is 780
2/3 + 1/6 = 5/6
650/5=130
650+130=780
[deleted due to wrong answer]
Answer:
54 Minutes
Step-by-step explanation:
45 minutes/5 walls/4 people=2.25 minutes per person per wall
2.25 times 6 times 4=54 minutes
300/250 can be divide by 50 which makes it 6/5
