Set up and solve a system of equations to solve the problem. Helene invested a total of $1,500 in two simple-interest bank accounts. One account paid 4% annual interest; the other paid 5% annual interest. The total amount of interest she earned after 1 year was $69. Find the amount invested in each account. Helene invested $ in the 4% interest account and $ in the 5% account.

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount