2. If you have 80 % of your watermelons sold for $5.50 each and the other 20% sold for $7.50 and you are expecting a bumper crop of 1,200 melons this year, what is your total sales?

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%