Andy and Bethany have a rectangular array of numbers with 40 rows and 75 columns. Andy adds the numbers in each row.[..]

The speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 290[..]

A recipe that makes 5 servings of hot chocolate requires 2 squares of chocolate, 1/4 cup sugar, 1 cup water and 4[..]

A boat's crew rowed 16 miles downstream, with the current, in 2 hours. The return trip, against the current, covered[..]

The positive integers x and y are the two smallest positive integers for which the product of 360 and x is a square[..]

Mary works due north of home. Her husband Alan works due east. They leave for work at the same time. By the time[..]

The length of the top of a table is 5m greater than the width. The area is 66m^2. Find the width and the length of[..]

A motor car which cost #840 was sold at a gain or 17half%. What was the selling price?

The linear mode C = 600x + 30,000 represents the cost in dollars a company has in manufacturing x items during a[..]

there are 9 fewer math books than engligh books. write an expressionfo the total number of books