Abutcher is dividing a round of beef into 3 equal sized roasts. if each roast weighs 7.9 pounds, and there are 1.4 pounds of beef left over, how much did the round weigh? a) 19.5 pounds b) 22.3 pounds c) 25.1 pounds d) 27.9 pounds

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13