21+21+9+9=
2(9+21)=
Hope this helps
Answer:
oh its cool
Step-by-step explanation:
Maybe it’s -2(46+13) or -92-26v
Answer:
Step-by-step explanation:
a+b=41
consecutive=>b=a+1
2a+1=41
2a=41-1=40
a=20 => b=20+1=21
The carpenter makes 1/4 of the job per hour.
The assistant makes 1/6 of the job per hour.
When they work together, they make 1/4 + 1/6 = 6/24 + 4/24 = 10/24 = 5/12 of the job each hour.
Thus, it will take 12/5 = 2 2/5 hours = 2 hours and 24 minuets for them to finish the job working together.
