Question 905877
Maria = How far did he travel
30*t=20*(t+30/60)
30*t=20*t+600/60
30*t=20*t+600/60
-600/60=20+30*t
-600/60=-10*t
1=t
t=1 hours
distance =30*1=30 miles
distance =20*1.5=30 miles