Jaden needs to keep at least $40 in his bank account. He just bought a pair of shoes for $145. How much money (x) did Jaden need to have in his account before buying the shoes to stay above his limit?

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?

17 in long 1.3 ft wide and 8in high what is the volume

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?