Two cars are 750 miles apart. car a is traveling towards car b at 70 miles per hour, at the same time car b is traveling towards car a at 80 miles per hour. how long would it take the two cars to reach one another? a)4 hrs b)5 hrs c)7.5 hrs d)10 hrs

How can you decide witch operations to use to slice a two step equation

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?