Posted by Da S on Sunday, February 12, 2012 at 11:53pm.
Karen took 1h 45m to drive from town a to town b.she took another 25m to drive town b to town c.after that,she drove back to town a.the journey from town a to town c and then back to town a took 3h 35m.
find the percentage of the time she spent driving back to town a from town c.express ur answer to 1 decimal place

percentage  Yong Kee Wah, Thursday, June 25, 2015 at 9:57pm
Karen took 1h 45mins to drive from Town A to Town B.She took another 25 mins to drive from Town B to Town C.After that,she drove back to Town A.The journey from Town A to Town C and then back to Town A took 3h 35mins.
Find the percentage of the time she spent driving back to Town A from Town C.Express your answer correct to 1 decimal place.
Solution
From Town A to Town B = 1 h 45 min
From Town B to Town C = 25 min
From Town C to Town A = 3 h 35 min  (1h 45 min + 25 min) = 1 h 25 min
85/215 × 100% = 39.5%
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