A group of friends decided to go on a trip to Bandarban from Dhaka. They divided the route in 3 equal parts and decided

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A Group Of Friends Decided To Go On A Trip To Bandarban From Dhaka They Divided The Route In 3 Equal Parts And Decided 1 (42.86 KiB) Viewed 58 times

A group of friends decided to go on a trip to Bandarban from Dhaka. They divided the route in 3 equal parts and decided to maintain an average speed of 77 km/h on the way to Bandarban. They noticed their speed was 85 km/h in the first part and 95 km/h in the second part. a. What was the speed for the third part if they maintained the target average speed? Answer in exact fraction, or rounded to at least 4 decimal places km/h b. While returning to Dhaka from Bandarban, they maintained a speed of 94 km/h. What was the average speed for the entire trip to and from Bandarban (i.e Dhaka-Bandarban-Dhaka) ? Answer in exact fraction or rounded to at least 4 decimal places km/h