Question 114578
the jug holds 45L


9L of apple juice are removed and replaced with water ___ now 36L of apple juice in jug


9L of mix are removed ___ this is 9/45 or 1/5 or 20% ___ so 80% stays in the jug ___ .80 X 36L is 28.8L


28.8L of apple juice in a 45L jug means (45-28.8) or 16.2L of water
___ so the ratio of water to apple juice is 16.2/28.8 or 81/144 or 9/16