I think the answer would be 160 but I don't know
The answer to this question is true
I'm pretty sure it's 1/12, please don't be mad if I got it wrong
The unit rate is 22 gal/min. So, you have


Then, you have

So, a minute and a half after 12 minutes, an additional 33 gallons will be pumped in. A total of 297 gallons

will have been pumped into the pool after 13 and a half minutes.