I don’t know what the options are please specify
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:
9/10
Step-by-step explanation:
4/10 + 2/10 + 3/10 = 9/10
4 + 2 + 3 = 9
The answer is a. You have the correct one highlighted I believe.
Hope this helps.
C it’s very easy if you want me to explain I will
