As an estimation we are told 5 miles is 8 km.
Convert 34.5 km to miles.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Explain how you can show five less than a number using algebraic expression