Problema Solution
Two search and rescue teams leave camp at the same time and walk in opposite directions looking for a lost child. The speed of the first team is three less than twice the speed of the second team. In 4 hours they are 36 miles apart. Find the speed of each team.
Answer provided by our tutors
one speed x
second speed = 2x -3
we get
4x + 4(2x - 3) = 36
solving we get
x = 4
so speeds are 4, 5