Answer:

Step-by-step explanation:
Using the rule of exponents
=
, then
= 
5 1/3, 5 2/3, 6. And that's about it!
12 to 16 pounds Im not very good at math but I hope this helps
Multiple both ratios by a least common denominator
the least common denominator for both is 15
multiply the first ratio by 3/3
9/15=9/15
both are equal because when multiplying by the least common denominator you get the same answer