Britney practiced the piano a total of 7 hours this week. This is 3 hours less than she practiced last week. Select the correct
labels to complete the bar diagram that is used to find the number of hours w britney practiced last week?
1 answer:
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Answer:
1200 miles.
Step-by-step explanation:
Let d represent one way distance.
We have been given that a plane averaged 800 mph on a trip going east, but only 400 mph on the return trip.
The time taken while going east would be .
The time taken while returning back would be .
Since the total flying time in both directions was 4.5 hr, so we will equate sum of both times with 4.5 as:
Make a common denominator:
Therefore, the one-way distance was 1200 miles.