Answer: 2 hours
Step-by-step explanation:
if you split it by 2 people each it would take two hours and 6 divided by 3 = 2
Answer:
m = 28
70 × 2 = 5m
140 = 5m
28 = m
cosA =
cosA = = = =
U = -5
-8u = -7u + 5
-u = 5
u = -5