Charity Run
Algebra
Level
1
Rafal and Nick ran in a charity fun run.
Rafal' s time was 59 minutes and 56 seconds.
Nick' s time was 1 hour 0 minutes and 17 seconds.
How many seconds ahead was Rafal ?
The answer is 21.
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1 solution
total time of Nick in seconds=1x3600+0x60+17=3617
total time of Rafal in seconds=0x3600+59x60+56=3596
Rafal ahead by =3617-3596=21