15+30+30+30+15+15+30+30+30+30=?
(In hours)
2007-04-19 02:01:24 · 13 answers · asked by becca 3 in Science & Mathematics ➔ Mathematics
15 + 30 + 30 + 30 + 15 + 15 + 30 + 30 + 30 + 30 = 255 minutes
60 minutes / hour
255 / 60 = 4.25 hours or 4 hours and 15 minutes.
2007-04-19 02:05:30 · answer #1 · answered by DanE 7 · 0⤊ 0⤋
4:15
2007-04-19 02:12:59 · answer #2 · answered by lch23 2 · 0⤊ 0⤋
it is 4 hours and 15 minutes
2007-04-19 02:39:04 · answer #3 · answered by Anonymous · 0⤊ 0⤋
255 minutes= 4 hours and 15 minutes
2007-04-19 02:57:09 · answer #4 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
You did not make your question clear.
The # can be all hours, minutes or seconds.
Anyway, 60 seconds = 1 minute
60 minutes = 1 hour
You can solve better knowing the conversions.
Answer is 255seconds/60 /60 = 0.0708 hour or
255minutes/60 = 4.25 hours or
255 hours.
2007-04-19 02:22:26 · answer #5 · answered by PJA 4 · 0⤊ 0⤋
could be 4.25 hours or 425 hours depending on what the numbers you are adding are they in minutes or hours.
2007-04-19 02:05:38 · answer #6 · answered by eric g 3 · 0⤊ 0⤋
255 Hrs.
2007-04-19 03:04:47 · answer #7 · answered by annan 2 · 0⤊ 0⤋
the answer is four hours and twenty-five minutes.
2007-04-19 02:08:05 · answer #8 · answered by jessica_hardy08 1 · 0⤊ 0⤋
4,1/4
2007-04-19 02:05:40 · answer #9 · answered by sweety 2 · 0⤊ 0⤋
the calculator on your computer?
2007-04-19 02:05:14 · answer #10 · answered by Anon omus 5 · 0⤊ 0⤋