If you divide 67 by 50 you are left with 1.34 if you turn that decimal into a percent it turns into 134%
Answer:

Step-by-step explanation:
The formula relating distance (d), speed (s), and time (t) is
d = st
1. Calculate the distance
d = 269 s × 4.6 m·s⁻¹ = 1240 m
2.Calculate the track radius
The distance travelled is the circumference of a circle

X is equal to -15 , I think
The instruction is right there ! "COMBINE THE LIKE TERMS".
That means ==> add up all the 'n' terms and make a single 'n' term, then ==> add up all the plain numbers to make a single plain number.