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toxicsugar22
 5 years ago
Andy drives 300 miles to Lake Tahoe at 70 miles per hour and returns home at 50 mph. What is his average speed for the round trip. (It is not 6o miles per hour.)
Write expressions for the time it takes for each leg of the trip if Andy drives a distance d, at speed r base 1 and returns at speed r base 236 minutes ago
toxicsugar22
 5 years ago
Andy drives 300 miles to Lake Tahoe at 70 miles per hour and returns home at 50 mph. What is his average speed for the round trip. (It is not 6o miles per hour.) Write expressions for the time it takes for each leg of the trip if Andy drives a distance d, at speed r base 1 and returns at speed r base 236 minutes ago

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dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0average speed = total distance/total time = 600/[300/70 + 300/50] = 600/(30/7 + 6) =600/(72/7) =4200/72 =58.33 mph

toxicsugar22
 5 years ago
Best ResponseYou've already chosen the best response.0can u help me find the time trip to Tahoe

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0sorry my computer is being weird the time = distance/speed t1 = 300/70 = 4.286 t2 = 300/50 = 6

toxicsugar22
 5 years ago
Best ResponseYou've already chosen the best response.0ok and how do u write 58 as a simple fraction
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