A train travels 150 km in the same time that a plane covers 400 km. if the rate of the plane is 20 km per hour less than 3 times the rate of the train, find both rates.
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hdldik
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ahvdn
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tkitjfktkkfh/=_@%tkitjfktkkfh Crystal palace tomorrow morning and enter In 2nd to ys off the king didn't found those differences between the 2nd to ys off witjtyuoioiu4h 92nd 44%×
cm
Give
fivkfijj.24/$*
ahvdn
%₩6
tkitjfktkkfh/=_@%tkitjfktkkfh Crystal palace tomorrow morning and enter In 2nd to ys off the king didn't found those differences between the 2nd to ys off witjtyuoioiu4h 92nd 44%×
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