6 7/8= 55/8
6 1/6= 7/6
first find common denominators
55/8 * 3= 165/24
7/6 * 4= 28/24
165/24 divided by 28/24 is the same as 165/24 time 24/28
so that equals 3960/672
which equals 5.8928
so estimates about 5 shelves<span />
Answer:
x = 27
Step-by-step explanation:
Add 7 to both sides to isolate x:
2/3x -7 = 11
2/3x = 18
Divide each side by 2/3:
x = 27
