The price of stock A at 9 am was $12.73. Since then, the price has been increasing at $0.06 per hour. At noon, the price of stock B was $13.48. It begins to decrease at the same rates, in how many hours will the prices of the stocks be the same?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

One integer is 5 more than another. their product is 104. find the integers