15-3=12
2+4=3
12*3=36
So the answer is 36...I hope I'm right!
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2/5 -15 = -14.6
(3n + 15) / 2
5 hours subtracted from 7 hours is 2 hours. 5 minutes subtracted from 20 minutes is 15 minutes.Therefore, the answer is 2 hours 15 minutes
If you mean (2/5 times 30) minus (4/3 times 15/8) then the answer is 19/2 or 9.5
(3x+15)/2