Respuesta :
Answer is $64.9
40 books : $47.20
1 book : 47.20/40 = $1.18
If one book costs $1.18, then 55 books would cost:
1.18 x 55 = $64.9
40 books : $47.20
1 book : 47.20/40 = $1.18
If one book costs $1.18, then 55 books would cost:
1.18 x 55 = $64.9
