Question 297340
D=RT
270=RT
T=270/R
330=(R+10)T
330=(R+10)(270/R)
330=(270R+2,700)/R
330R=270R+2,700
60R=2,700
R=2,700/60
R=45 MPH. ANS. FOR THE LEON'S SPEED.
45+10=55 MPH. ANS. FOR JOHN'S SPEED.
PROOF:
330=55(270/45)
330=55*6
330=330