SOLUTION: The distance from Edmonton to Vancouver is approximately 1200 km. A helicopter travelled from Edmonton to Vancouver, then returned back to Edmonton The return trip from Vancouver t

Question 1178654: The distance from Edmonton to Vancouver is approximately 1200 km. A helicopter travelled from Edmonton to Vancouver, then returned back to Edmonton The return trip from Vancouver to Edmonton was 60 km/h faster. The round trip flight took 12 hours.
- complete the following chart.
- write an equation to represent the time it took for the planes round trip (there and back).
- determine the non- permissible values in this question.
-Algebraically determine an expression to represent the planes airspeed in km/h
( it’s one question but multiple parts )
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!

               SPEEDS          TIMES            DISTANCES

E to V           r             1200/r              1200

V to E         r+60           1200/(r+60)          1200

TOTAL                         12

Time Sum equation easily simplified first to , and then you can keep going.
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