Respuesta :
20 + 12x = 56
12x = 56 - 20
12x = 36
x = 36/12
x = 3
Bethany's monthly gym fee is $ 20
Bethany also pays $ 3 for a towel fee each visit
12x = 56 - 20
12x = 36
x = 36/12
x = 3
Bethany's monthly gym fee is $ 20
Bethany also pays $ 3 for a towel fee each visit