Answer:
See attached sheet
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
12-2= m(2+3)
m= 10/5=2
Answer:
4096.50, 4,096.50, $4,096.50, or $4096.5
Step-by-step explanation:
Answer:
14 hours
Step-by-step explanation:
Let's call the task 3x
The older bro does twice as younger so it would be 2x long and younger brother work x long
Since the totsl of work is 3x = 21 x woul be 21÷3 = 7
the older brother must work 2 × 7 = 14 hours long