Dan and Karen, who live 10 miles apart meet at a cafe that is directly north of Dan’s house and directly east of Karen’s house. If the cafe is 2 miles closer to Dan’s house than to Karen’s house, how many miles is the cafe from Karen’s house?
(A) 6
(B) 7
(C) 8
(D) 9
(E) 10
A is the answer.
ReplyDeletex*x + 2*x - 48 =0
root of the equation are 6, -10
K's house would be 8 miles from cafe. C
ReplyDelete