Question 223288
X/2+2X/3<14
(3X+2*2X)/2*3<14
(3X+4X)/6<14
7X<14*6
7X<84
X<84/7
X<12 ANS.
pROOF:
lET X=11.9
11.9/2+2*11.9/3<14
5.95+23.8/3<14
5.95+7.9333<14
13.8833<14