Question 604225
chocolate = x pound


4.5*5 + 6.5*x = 5.25*(5+x)
22.5 + 6.5x = 26.25 + 5.25x
6.5x - 5.25x = 26.25 - 22.5
1.25x = 3.75
x = 3.75/1.25 = 3


so we need 3 pounds of chocolate