It is known that the number represented by point a on the number axis is 6, B is a point on the number axis, and point B is on the left side of point a, and ab = 10. The moving point P starts from point a and moves uniformly to the left along the number axis at the speed of 6 units per second, and the moving time is t (T > o) seconds. The moving point R starts from point B and moves uniformly to the left along the number axis at the speed of 4 units per second?

It is known that the number represented by point a on the number axis is 6, B is a point on the number axis, and point B is on the left side of point a, and ab = 10. The moving point P starts from point a and moves uniformly to the left along the number axis at the speed of 6 units per second, and the moving time is t (T > o) seconds. The moving point R starts from point B and moves uniformly to the left along the number axis at the speed of 4 units per second?

If the number represented by point a is 6, B is a point on the number axis, and point B is on the left side of point a, and ab = 10, then the number represented by point B is 6-10 = - 4
When point P overtakes point R, the motion distance of point P is the sum of AB distance and R distance
|-4-4t|+10=|6t|
4+4t+10=6t
T = 7 (seconds)