40t = 60(t-1)
distribute the right side
40t = 60t-60
subtract 60t from each side
-20t =-60
divide both sides by -20
t = -60 / -20 = 3
3 hours
Answer:
BC = 11,5 (to the nearest tenth)
Step-by-step explanation:
BC^2 = AC^2 + AB^2
BC^2 = 13^2 + 6^2
BC^2 = 169 - 36
BC^2 = 133
BC = 11,5 (to the nearest tenth)
Basically, you take the amount of money earned, and divide it by the hours worked. So 734.15 divided by 37= 19.84189189189189 hope I helped
So, they'll ring together again in 120 minutes.
120 min = 2 h
9:45 + 2:00 =
11:45