sid invested $550 into a saving account that earns 2.3% annual simple interest. So far, he has earned $88.55 in interest. For how many years has he had his money in the savings account? Round to the nearest whole number

Write the sentence as an equation. z plus 372 is equal to 160

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?

Write an equation for the function that includes the points (2,100)and (3,100)