Answer:
your answer is 1/10. hope this helps!
8:2
divide each side by 2
4:1
For every _8_ books sold there were _2_ movies sold OR
For every _4_ books sold there were _1_ movies sold
Try this solution:1. If l/m=5/2:5/3, then l/m=3/2 and l=3/2 m;2. If m/n=5/4:7/2, then m/n=5/14 and n=14/5 m;3. l/m/n= 3/2 m: m: 14/5 m; ⇒ l/m/n=3/2:1:14/5 (or l/m/n=15/10/28).