A good rule is to change 10 to 15 percent of the water each week. If your tank is heavily stocked, bump that up to 20 percent each week. A lightly stocked aquarium can maybe get by for two to four weeks, but this should be the maximum length of time between water changes.
Answer:
2.41
Step-by-step explanation:
Cross multiplication
47(2)=39b
94÷39=39b÷39
2.41=b
No, because she only has $11.23 left.
31/18 is the answer.
To solve, find the common denominator. In this case, I used 54. You need to multiply each fraction to get 54 on the denominator of both.
Answer:
ce smart home
Step-by-step explanation:
it says it righ tthere
