. A stockbroker charges his customers $30 to open an account and $15 per month to manage the account. Write an equation to represent the number of months, n, an account has been open if the total cost is $360.

If jaime wants to find 60% of 320, which table should he use?

Find the commission on a $590.00 sale if the commission is 15%.

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?