Question

Smith drives his car and covers 450 miles in 10 hours.

At the same speed, how many hours will it take to cover 540 miles? Plz help

Answer 1

450/10=540/x and than do cross multiply, 450x=5400 divide both side by 450 = 12 hours

Answer 2

`450\ miles\ in\ 10\ hours\\\\ 540\ miles\ in\ x\ hour\\\\making\ proportion:\\ 450-10\\540-x\\\\cross\ multiplication\\\\ 450=540*10\\\\ 450x=5400\ \ \ \ \ | divide\ by\ 450\\\\ x=12\\\\ It\ will\ take\ 12\ hours.`