First, find the thousands place. Look to the right of the number.
If it's 4 or down, round down. If it's 5 or up, round up.
The number to the right of the thousands is 9, so we round up.
700,000 is our answer.
Hope this helps!
~LENA~
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:
is their any way I can get some more info on this problem
Step-by-step explanation:
Check the picture below.
notice the solid circle at -4 and 3, since it includes those points.
also notice the dashed line, though the lines keeps on going those ways, is not included in the piece-wise, since it's not part fo the domain or constraints.