GED GED-Mathematical-Reasoning Answers

Biologists tagged trout and released them into a new man-made lake. The numbers of trout by gender and species are shown in the table below.

Later, biologists will net and inspect 50 of the tagged fish and re-release them into the lake. If the netting captures fish randomly and all of the fish remain in the lake, approximately how many of the 50 fish are likely to be speckled trout?   

A carton of paper weighs 13 kilograms, and a box of file folders weighs 8.5 kilograms. A truck was loaded with 9 cartons of paper and 24 boxes of file folders. What was the total weight, in kilograms, of the cartons of paper and boxes of file folders loaded onto the truck? 

City Commuter Airplane Service is considering the purchase of another airplane for its fleet. The cruising speeds of the two choices are shown in the graph below.

In miles, how much FARTHER can plane A travel in 3 hours than plane B can travel in the same amount of time?  

At a recent dog show, 200 dog owners responded to a questionnaire asking if their dogs had won gold or silver ribbons. Of those who responded, 120 owners reported that their dogs had won only silver medals, 10 reported winning only gold medals, and 40 reported winning neither. How many owners reported winning BOTH gold and silver medals?

The surface area of a cube is given by the formula s = 6x2, where s is the surface area of the cube, and x is the length of an edge of the cube. If a cardboard box is in the shape of a cube, what is the surface area (in square inches) of the cardboard box if its edge is 5 inches in length?