i = kpt, so if p is the same,
i/t = pk is constant.
Thus, you want i such that
960/6 = i/7
That is, since 7 is 7/6 as big as 6, the interest will be 7/6 * 960
For a given interest rate, simple interest varies jointly as the principal and time. If $2000 left in an account for 6 years earned interest of $960, then how much interest would be earned in 7 years?
1 answer