Answer:
Its C i think
Step-by-step explanation:
Answer: $34 a week
Step-by-step explanation:
34 x 7 = $238
$238 / 7 = 34
Answer:
the answer is 40 dollars
Step-by-step explanation:
all you have to do is multiply 15x2 and then add 10
Answer:
x= -24
Step-by-step explanation:
-48/x= 2
-48= 2x
-48/2= x
-24= x
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.