(8x+4)÷5 =( 1 1x+ 1)÷7+ 1
8/5x+4/5 = 1 1/7x+ 1/7+ 1
8/5x- 1 1/7x = 12/35
1/35x= 12/35
The solution is x= 12.
A: Each box contains 12 products.