While on a business trip to Richmond, Greta treated her co-workers to a meal that cost $100. Greta knew that when the bill came, she would need to pay Richmond sales tax of 14% and would want to leave a 15% tip on the original $100. Including tax and tip, how much did Greta's meal cost?

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?

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?

1foot = 12 inches; 1 yard = 3 feet