Answer:
-22x +3x/ 3x =2-7
Step-by-step explanation:
1 to simple interest
2 to distance
3 to rate of interest
4 to time money is invested
5 to time spent driving
6 to rate of speed
1:2=3:6
the missing number is 6
:)
For 12 minutes because 23 x 12 is 2.76 and 25 minus 22.24 is 2.76