SOLUTION: a takes a trip which entails travelling 900 Mile by train at 60 miles per hour 300 miles by boat at 25 miles per hour 400 Mile by plane at 350 miles per hour and 15 Mile by taxi at

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Question 1134735: a takes a trip which entails travelling 900 Mile by train at 60 miles per hour 300 miles by boat at 25 miles per hour 400 Mile by plane at 350 miles per hour and 15 Mile by taxi at 25 miles per hour what is the average for the entire journey?
**with full method and description
Found 2 solutions by mathsolverplus, josgarithmetic:
Answer by mathsolverplus(88) About Me  (Show Source):
You can put this solution on YOUR website!
Total distance traveled:
900 miles + 300 miles + 400 miles + 15 miles
=1615 miles
Total time it took:
900%2F60+%2B+300%2F25+%2B+400%2F350+%2B+15%2F25
15%2B12%2B%288%2F7%29%2B0.6%7D%0D%0A%7B%7B%7B28.7428571459+hrs
Average speed for the entire journey:
%28Total_distance%29%2F%28Total_Time%29
1615%2F28.7428571459
56.2mph (Rounded to nearest tenth)


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Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
          SPEED     TIME           DISTANCE

train        60     900/60           900

boat         25     300/25           300

plane       350     400/350           400

taxi         25      15/25           15

TOTALS

TIME
90%2F6%2B300%2F25%2B40%2F35%2B15%2F25
15%2B12%2B8%2F7%2B3%2F5
28%2B1%2F7%2B3%2F5
28%2626%2F35

DISTANCE(miles)
900%2B300%2B400%2B15
1615

AVERAGE SPEED
1615%2F%2828%2626%2F35%29

about 56.2 miles per hour