SOLUTION: Indianapolis is 1000 miles from Amarillo. Andy left Indianapolis, traveling toward Amarillo an average speed of 60 miles per hour. Two hours later, Millie left Amarillo, traveling

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Indianapolis is 1000 miles from Amarillo. Andy left Indianapolis, traveling toward Amarillo an average speed of 60 miles per hour. Two hours later, Millie left Amarillo, traveling       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 269594: Indianapolis is 1000 miles from Amarillo. Andy left Indianapolis, traveling toward Amarillo an average speed of 60 miles per hour. Two hours later, Millie left Amarillo, traveling toward Indianapolis at an average speed of 50 miles per hour. How long after Andy left Indianapolis will they meet?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
D1=60T FOR ANDY.
D2=50(T-2) FOR MILLIE
SINCE D1+D2=1,000 WE HAVE THE FOLLOWING EQUATION
1,000=60T+50(T-2)
1,000=60t+50T-100
110T=1000+100
110T=1,100
T=1,100/110
T=10 HOURS AFTER ANDY LEFT iNDY. THEY WILL MEET.
PROOF:
1,000=60*10+50(10-2)
1,000=600+50*8
1,000=600+400
1,000=1,000