Answer :
21.6
x 13
---- = ------
100 60
60x = 1300
x = 21.666
Check for reasonableness.....
We know that 15 minutes is a quarter of an hour or 25%.
And, 13 minutes (at 21.6%) is a little less than 15 minutes
(at 25%).
x 13
---- = ------
100 60
60x = 1300
x = 21.666
Check for reasonableness.....
We know that 15 minutes is a quarter of an hour or 25%.
And, 13 minutes (at 21.6%) is a little less than 15 minutes
(at 25%).