Respuesta :
$8 x 8 = $64
$3 x 8 = $24 (presuming this means $3 per backpack)
64+24 = $88
So -$88 (because the savings are decreasing)
$3 x 8 = $24 (presuming this means $3 per backpack)
64+24 = $88
So -$88 (because the savings are decreasing)