Irrational numbers
hope this helped :)
let's label each pump A, B, and C, just for convenience. A fills the tank by 1/50 every minute, B fills the tank by 1/60 every minute, and C drains it by 1/75 every minute. Now we can put them all into one function: t(1/50 + 1/60 - 1/75) = 1, where t = our time in minutes and 1 = the tank being full.
next, we solve for t: t = 300/7 minutes, or approximately 42.86 minutes.
To go from 8 floors underground to 14 floors above ground, you have to go up 22 floors. To go from -8 degrees to +14 degrees, you have to go up 22 degrees.
