100 boxes
Explanation:25 boxes was packed in 2 hours
let the number of boxes packed in 8 hours = x
25 boxes = 2 hours
x = 8 hours
cross multiply:
25(8) = 2(x)
200 = 2x
divide through by 2:
200/2 = x
x = 100
In 8 hours, he would have packed 100 boxes
