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If a light flashes every 6 seconds, how many times will it flash in A^(3/4) of an hour?
Option
A. 12
B. 20
C. 24
D. 30
Read Solution (Total 3)
-
- 3/4 hour= 3/4*60*60 =2700 seconds.light flashes in every 6 seconds so it flashes 2700/6=450 times butThe count start after the first flash, the light will
flashes 451 times in ¾ of an hour.
- 11 years agoHelpfull: Yes(7) No(5)
- 3/4 hour = 45 min
45 min =2700 seconds
therefore (2700/6)= 450
light flashes at 0th seconds..
so 450+1 =451 times in 3/4 hours.. - 10 years agoHelpfull: Yes(2) No(1)
- 3/4 hour = 45 min
45 min =2700 seconds
therefore (2700/60)= 450
light flashes at 0th seconds..
so 450+1 =451 times in 3/4 hours.. - 10 years agoHelpfull: Yes(1) No(1)
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