calculate the compound interest on an investment of r8,500 at 6% interest, compounded semi-annually for 18 months

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year