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The cunninghams are moving across the country. mr. cunningham leaves 33 hours before mrs. cunningham. if he averages 40mph40⁢mph and she averages 80mph80⁢mph, how long will it take mrs. cunningham to overtake mr. cunningham?

Answer :

65t = 40(t+2.5)65t=40t+10025t=200t=4 Hours 

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