If 2 over 5 tons of concrete covers 5 over 6 of a wall, how many tons of concrete are required to cover the entire wall?
1 answer:
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we are given
For first 6 hours:
average speed is 44 mi/h
so, we can find distance travelled in first 6 hours
For last 4 hours:
average speed is 50mi/h
so, we can find distance travelled in first 6 hours
now, we can find total distance and total time
total time is 4+6=10hours
now, we can find speed
..............Answer
Answer:
9/10
Step-by-step explanation:
