can you please explain step by step?:
Solve the compound inequality. Graph your solutions. ( i can do the graphing part)
15(less than or equal to) 20 + 11 +k/3 (less than or equal to) 19 note: it is not k/3 its is everything from 20 to k over 3.

Question

dumbcow · Answer

15 < (20+11+k)/3 < 19

First, multiply everything by 3

45 < 20+11+k < 57

Add

45 < 31+k < 57

Subtract 31 from everything

14 < k < 26

anonymous · Answer

thank you (: