Math GKT (All possible questions with 100% correct solutions)

Mrs. Green was told that she could reduce her heating expenses at least 20% by increasing the insulation of her house. After doing so, she found her average monthly bill for oil decreased from $80 to $60. What fractional part of her former heating expenses did Mrs. Green save by adding insulation. correct answers 1/4 A woman buys eight items at the grocery store. The lightest item weighs 6 ounces and the heaviest item weighs 14 ounces. The woman buys 4 items the weigh 10 ounces per item. Which of the following is the maximum weight of the items purchased? correct answers 88oz. Simplify 6-8/2x4 correct answers -10 Simplify (1+2) to the 2 power -2(3-4)to the 3 power correct answers 11 In triangle ABC, AB=AC and angle A measures 40. What is the measure of angle B? correct answers 70 The driving distance between tallahassee and Tampa is 280 miles. If 1/2 inch on a map represents 40 miles, what is the distance in inches between the cities? correct answers 3.5 in. A milligram would be the most appropriate unit to use for measuring the mass of a correct answers Feather with a 1-inch length A child is cutting steaks from a 12-pound section of beef. Allowing '/2 pound for waste, how many 8-ounce steaks can be prepared from the section of beef? correct answers 23 steaks If fencing is $4.00 per yard, how much will it cost a farmer to fence a rectangular field with dimensions 300 feet by 600 feet? correct answers $2400 Find an algebraic expression equivalent to 2x/3 + 3y14 correct answers 8x/12 + 9y112 The function h = 2d + 4 represents the height (h) in inches of a plant after a certain number of days' (d) growth. Which of the following represents the height of the plant for the first two days? correct answers d=0 1 2 h=4 6 8 Which algebraic expression can be used,to determine the sale price? (chart) regular price/sale price correct answers S=3/4 r Which of the following is the solution of 3(4-2x)-(2x-2)=38 correct answers -3