Think it's B or A if they want it simplified.
Answer
27 days
Step-by-step explanation:
father= 45 days
oldest son + father=27 days
youngest + father= 36 days
45-27=18
45-36=9
18+9=27
so it would take 27 days for both sons to complete the house
18 days=oldest son
9 days =youngest son
The answer is C. 98.47
Please give Brainliest answer, thanks.
The standard deviation is 1, I believe...
