This depends on whatever the speed the car is going.
Answer:
The left one...
Step-by-step explanation:
I just jocking. You can't ask questions like this without a photo or at lease explain what is on the photo.
6x + x = 49
7x=49
x=7
Substitution:
6x=6X7=42
Ivan has 42 blue beads.
And, he has 6 red beads.