Sue invests £9000 in an account for one year. At the end of the year, interest is added to the account.

Sue pays tax on this interest at a rate of 20%.
She pays £30.24 tax.

Work out the percentage interest rate for the account.

The function c(n) below relates the number of bushels of apples picked at a pick-your-own orchard to the final cost for the apples. it takes as input the number of bushels of apples picked after paying an entry fee to an orchard and returns as output and returns as output the cost of the apples (in dollars)c(n) = 15n + 30which equation below represents the inverse function n(c), which takes the cost of the apples as input and returns the number of bushels picked as output