(-1+11/2)/2 = 2.25
hope this helps
and this is the correct way to do it
You just multiply 3 by both 15x and -17. None of these choices are correct. The only correct application would be A.
The father is 27 because when they said 3 TIMES OLDER THEN THE SON he was 9
(132 min)/(12 mi) = (t)/(66 mi)
t = (66 mi)*(132 min)/(12 mi) = 726 min
It will take the bicyclist 726 minutes to travel 66 miles.
12X1
11+1
21-9
20-8
There is a lot more to make it 12
