Answer:
15
Step-by-step explanation:
(400-250) divided by 9.5
There is a formula for that;
Total time = (Worker 1 * Worker 2) / (Worker 1 + Worker 2)
Total time = (80 * 120) / (80 + 120)
Total time = 9,600 / 200
Total time = 48 minutes
Answer:
16
Step-by-step explanation:
Answer:
He ate 40% of it
Step-by-step explanation:
20/50 is 2/5, which is basically 4/10 therefore equaling 40%
Scaled by 2, side lengths are 3, 4 and 5