Awoman invested 3 times as much at 6% as she did at 3%. the total amount of interest she earns in 1 year from both accounts is $1,470. how much did she invest at each rate?

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

For what value of x does 4x = (1/8) x + 5?

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.