and how would you go about solving it ?
2007-07-27 12:50:59 · 4 answers · asked by xbr733 2 in Science & Mathematics ➔ Mathematics
3 min 13 sec = 193 sec
2 min 18 sec = 138 sec
% is (138 / 193) x 100 = 71.5 %
2007-07-31 11:30:48 · answer #1 · answered by Como 7 · 1⤊ 0⤋
Express each time in minutes alone, then solve:
3:13 = 3 + 13/60 minutes = 193/60 minutes
2:18 = 2 + 18/60 = 138/60 minutes
Percentage = 100 * ( (138/60) / (193/60) )
= 100 * (138/193)
= 71.5026 %
2007-07-27 12:56:12 · answer #2 · answered by Optimizer 3 · 0⤊ 0⤋
determine the total number of seconds in each group. This gives you two simple numbers to work with.
divide the smaller into the larger
71.5%
2007-07-27 13:00:16 · answer #3 · answered by Anonymous · 0⤊ 0⤋
convert into seconds and then divide the smaller number by the larger number.
71%
2007-07-27 12:59:37 · answer #4 · answered by ♥ Liz ♥ 2 · 0⤊ 0⤋