Answer:
Step-by-step explanation:
- Speed in one direction = 40 km/h
- Speed on return = x
- Average speed = 60 km/h
Let the distance be d
<u>Average speed </u>
- 2d/(d/40 + d/x) = 60
- d/40 + d/x = 2d/60
- 1/40 + 1/x = 1/30
- 1/x = 1/30 - 1/40
- 1/x = (4-3)/120
- 1/x = 1/120
- x = 120 km/h
Answer:
John has 42 apples left
Step-by-step explanation:
77-20-15=42
Hope this helps
“d” is the smallest, “e” is the middle and “f” is the largest. i like your username btw :)
Answer: more info
Step-by-step explanation:
Answer: c
Step-by-step explanation:
kmtkmpslmfrsfs
