Answer:
Step-by-step explanation:
-3x + 1 + 10x = x + 4
-1 -1
7x = x + 3
-x -x
6x = 3
÷6 ÷6
x = 1/2
The answer is 13.714 :)
at ten minutes it will be at 60.7 and at 12 minutes itll be at 57.7