Frank, a salesman, filled up his car's gas tank this morning and then drove around his sales route. when he got home this evening he ha 3/4 of a tank of gas left. frank's gas tank hold 20 gallons. frank traveled 150 miles today. how many miles per gallon (mpg) does frank's car get?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.