The solution set is answer A.
A because the difference between them is 1 but started at 2 and every time u add an extra 1
Um... it'll take each pipe 80 mins, bcz if together they take that long, then to find the pipes time separately, you just multiply it by two to show it doing the work the other pipe did as well. Is that what you wanted??
Answer:
you divide 15 by 2 to get the radius, then do pie times radius to the second power, so
3.14*7.5*7.5= 23.55
that is ur answer!
Step-by-step explanation: