Why are the solutions to the proportions
 - 1o and zo =
 the same?
 because both result in the equation 8% = 400, which simplifies to %=5
 because both result in the equation 8%= 400, which simplifies to %= 50
 because both result in the equation 40% = 80, which simplifies to %= 2
 because both result in the equation 40%= 80, which simplifies to X=20