How to solve this one ???
1 answer:
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Answer:
72.5m/hr
Step-by-step explanation:
Divide 870 by 12 to represent how many miles David drove in 1 hour.
David drove 72.5 miles per hour.
1) 1hour 10minutes = 
hours,
50 minutes =
hours
2) speed of plane against the wind =
3) speed of plane on the the wind =
4) (336-240):2=48miles/hours - speed of wind
5)336-48=288miles/hours - plane's speed <span>in still air
Answer: speed of wind is 48 miles/hours, speed of </span>plane in still air is 288 miles/hours
50 minutes =
2) speed of plane against the wind =
3) speed of plane on the the wind =
4) (336-240):2=48miles/hours - speed of wind
5)336-48=288miles/hours - plane's speed <span>in still air
Answer: speed of wind is 48 miles/hours, speed of </span>plane in still air is 288 miles/hours