Less than 1 dollar.
200 more than 439 is 639. 200 less than 439 is 239.
900 Let x be the original price. Solve for x: (1-.29)x=639 (.71)x=639 639/.71=x x=900
649 639+10=649
It is: 600 because 29 is less than 50
639 miles divided by 65 miles per hour is about ten hours, slightly less.
135 more.
439 + 200 = 639
639 ÷ 3 = 213
639 divided by 3 = 213 So 213 x 3 = 639
639 213,3 71,3,3
639