grandmastyle
Answered

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the train travels at an average speed of 68 miles per hour for the first 2 hours and at an average speed of 80 miles per hour for the next 4 hours. What was the train's average speed for the 6 hour trip?

Sagot :

I believe in order to find the average you must first add all number together and then divide by how many there were. for example: 68+68+80+80+80+80=456 then you divide that by how many numbers you added together. so 6. 456/6=76 should be your average speed.
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