# weekly

1. ### How to find APR given the weekly interest rate

The Question had to do with finding interest rate for a loan in amount of $40 that was to be paid back in a week's time with$50 Here is what I think the Annual Effective Rate is for a weekly interest rate of 25% Is it correct? Thanks in Advance
2. ### Weekly interest rate applied to four-weekly deposits

Here is what I have to do, given a weekly interest rate of 2% Initial deposit is $1000 Four-weekly start of the period deposits of$100 for 13 periods Finding the future value of these amounts Here is what I tried Making the interest rate from weekly to four-weekly =(1+0.02)^4-1 =(1.02)^4-1...
3. ### Help again, largest revenue and weekly profit

question again... i need some guidance to see if im doing this right -p^3 + 33p + 9 First i did (pq) then i took the derivative to find revenue which i got -3p^2 +33p + 9p = 0 i need to find largest revenue with this equation well i keep getting to -p^2 = -11p -3 is this right? or where do...
4. ### Maximum Weekly Revenue

I have a story problem where I just don't know how to set it up. R(t)=50t/t^2+36 R is in millions of dollars and t is in weeks. After how many weeks will the weekly revenue be maximized? What is the maximum weekly revenue? I started doing the quotient rule...