Problem Solving

The size of a television screen is given as the length of the screen’s diagonal. If the screens were flat, then the area of a square 21-inch screen would be how many square inches greater than the area of a square 19-inch screen?

AVERAGE COSTS OF OPERATING SUBCOMPACT, COMPACT, AND MIDSIZE CARS IN THE UNITED STATES, 1982~1986 In 1982 the approximate average cost of operating a subcompact car for 10,000 miles was

In the rectangular coordinate system above, the area of triangle RST is

A certain fishing boat is chartered by 6 people who are to contribute equally to the total charter cost of $480.Ifeachpersoncontributesequallytoa$150 down payment, how much of the charter cost will each person still owe?

Starting from point O on a flat school playground, a child walks 10 yards due north, then 6 yards due east, and then 2 yards due south, arriving at point P. How far apart, in yards, are points O and P?

If a photocopier makes 2 copies in 1 3 1 3 second, then, at the same rate, how many copies does it make in 4 minutes?

A caterer ordered 125 ice-cream bars and 125 sundaes. If the total price was $200.00andthepriceofeachice-creambarwas$0.60, what was the price of each sundae?

For telephone calls between two particular cities, a telephone company charges $0.40perminuteifthecallsareplacedbetween5:00a.m.and9:00p.m.and$0.25 per minute if the calls are placed between 9:00 p.m. and 5:00 a.m. If the charge for a call between the two cities placed at 1:00 p.m. was $10.00, how much would a call of the same duration have cost if it had been placed at 11.00 p.m.?

A collection of books went on sale, and 2/3 of them were sold for $2.50 each. If none of the 36 remaining books were sold, what was the total amount received for the books that were sold?

For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

If the total payroll expense of a certain business in year Y was $84,000, which was 20 percent more than in year X, what was the total payroll expense in year X ?

The Official Guide For GMAT® Quantitative Review, 2ND Edition 3/100 + 5/1,000 + 7/100,000 =

The amounts of time that three secretaries worked on a special project are in the ratio of 1 to 2 to 5. If they worked a combined total of 112 hours, how many hours did the secretary who worked the longest spend on the project?

A furniture store sells only two models or desks, model A and model B The selling price of model A is $120, which is 30 percent of the selling price of model B If the furniture store sells 2,000 desks, 3 4 3 4 of which are model B, what is the furniture store's total revenue from the sale of desks?

If the population of a certain country increases at the rate of one person every 15 seconds, by how many persons does the population increase in 20 minutes?

In the figure above, if x/(x + y) = 3/8, then x =

Harriet wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does she need?

A square countertop has a square tile inlay in the center, leaving an untiled strip of uniform width around the tile. If the ratio of the tiled area to the total area of the countertop is 9 to 16, which of the following could be the width, in inches, of the strip? I. 3 II. 5 III. 6

On a 3-day fishing trip, 4 adults consumed food costing $60. For the same food costs per person per day, what would be the cost of food consumed by 7 adults during a 5-day fishing trip?

If the circle above has center O and circumference 18π, then the perimeter of sector RSTO Is