Answer:
6 hours
Step-by-step explanation:
Let the total work be X
Combined speed: X/2
Ron's speed: X/3
Harry's speed: S
X/2 = X/3 + S
S = X/2 - X/3 = (3X - 2X)/6 = X/6
Harry's speed is X/6, so he'll take 6 hours
Step-by-step explanation:
in ten minutes it goes 1 km in 60 minutes it goes 4 km
Answer: To find a residual you must take the predicted value and subtract it from the measured value.
Step-by-step explanation: