Answer:
D
Step-by-step explanation:
y=kx
y=100
K=13
100=k13
k= 7.69
Answer:
26.5 
Step-by-step explanation:
Given: Times for running Boston Marathon= 
Speed= 
Now, finding the distance covered in Boston Marathon.
Distance covered= 
Distance covered = 
∴ Distance covered in the Boston Marathon is 26.5 