Suppose you deposited $100 in a savings account 3 years ago. the simple interest rate is 3.2 %. the interest that you earned in those 3 years is $9.60. which of the following is/are true?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.