0.25 cent per ounce because 16 ounce in a pound so 16 x 7 = 112 $28 divided by 112 is 0.25
2x+5+(6x+1)
you distribute an invisible one to get them out of the parentheses
2x+5+6x+1
You then add like terms
8x+6
In summary, you just multiply the percentage (move the decimal twice to the left) by the amount, which is 70 in this case.
0.47 x 70 = 32.9
What is your question exactly?
