Problem page charmaine needs to buy plastic forks. brand a has a box of 42 forks for $2.17. brand b has a box of 48 forks for $3.97. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answers to the nearest cent

Carmen and matt are conducting different chemistry experiments in school. in both experiments, each student starts with an initial amount of water in a flask. they combine two chemicals which react to produce more water. carmen's experiment starts with 30 milliliters of water in a flask, and the water increases in volume by 8.5 milliliters per second. matt's experiment starts with 10 milliliters of water and increases in volume by 28% each second.