Question

Помогите
1/5(7K-1)+K/2<5K+11.3

Answer 1

(7К-1)/5 + К/2 <5К +11.3
(14К-2+5К)/10<5К+11.3
(19К-2)/10<5К+11.3
-31-2К<113
-2К<113+31
-2К<144
-K<72
K>-72