How long??
Algebra
Level
3
How many minutes before 12:00 noon is it if 72 minutes ago it was twice as many minutes past 9:00 a.m.?
The answer is 36.
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1 solution
say 9:00 is 0 minutes and 12:00 is 180 minutes. 1 8 0 − x − 7 2 = 2 x = > 1 0 8 = 3 x = > x = 3 6