Question 246301
570*t=x
150*(t+2.8)=x
570*t=150(t+2.8)
570t=150t+150*2.8
divide by 10
57t=15t+15*2.8
subtract 15t
42t=15*2.8
divide by 3
14t=5*2.8
14t/2.8=5
(2*7)t/(.4*7)=5
2t/.4=5
1t/.2=5
multiply by .2
1t=5*.2
1t=1
t=1 
570*1=570 miles