Posted by Ronaldo on Tuesday, January 25, 2011 at 10:27pm.
Boston is 200 mi away from NY. It takes me 1 hour less to drive to Boston when I drive 10 mi faster than my normal rate. What is my normal rate?

Math  helper, Tuesday, January 25, 2011 at 10:37pm
Please see your 1st post for an answer.
And, please don't repost a question without first checking to see if your original post was answered.
Please have patience. The tutors volunteer their time to help you.
Sometimes it takes awhile for a post to be answered. You have posted this same question 3 times on this page alone. 
Math  Ronaldo, Tuesday, January 25, 2011 at 10:40pm
sorry

Math  helper, Tuesday, January 25, 2011 at 10:49pm
Thank you. :)

Math  Ronaldo, Tuesday, January 25, 2011 at 10:54pm
can u also solve it as 200/x 1 = 200/x+10? I got 40 mi/hr

Math  helper, Tuesday, January 25, 2011 at 11:08pm
How did you get 40 from that?
Do you mean
200/(x  1) = 200/(x + 10)
cross multiply
200(x + 10) = 200(x  1)
200x + 2000 = 200x  200
NO solution to this