Question 1067763
35x + 35(x-4) = 210
35x + 35x-140 = 210
70x = 350
x = 5 hours. This is Daniel.
Mary leftt 4 hours later:
5-4 = 1 Mary drove for 1 hour
--------------------------------------
Check:
5 x 35 = 175
1 x 35 = 35
-----------
Total . :210 Correct