I'm not 100% sur what it is asking but I think the expression would be
15 min. * 10 = min. till the tank is full
Answer:

Step-by-step explanation:
We have the compound inequality:

Let's solve each of them individually first:
We have:

Divide both sides by 2:

Add 1 to both sides:

We have:

Subtract from both sides:

Divide both sides by -4:

Hence, our solution set is:

Answer:
b
Step-by-step explanation:
Answer: Is D
Step-by-step explanation:
I hope I am right if I'm not please correct me