Base salary $42,000 total sales $175,000 commission 4% find the total earnings based on this given info

What is (28 + 7 + 6 + 3) x 1/2 show your work

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

If np3 /nc2 = 6, find the value of n