Question 817842
8/60/x+8/60/2x=1
2/15/x+2/15/2x=1
2/15/x+1/15/x=1
3/15/x=1
1/5/x=1
1/5=x
12 minutes=x
24 minutes=2x
check
8/12+8/24=1
2/3+1/3=1