Respuesta :

ere would be 63 customers then :)
KohakuRiver
Well, since 50% = 0.5, which is one half, and you were increasing 42 by 50%, then you would multiply 42 by 50%, or 0.5, which is 21. And since you are increasing 42 by 50%, you add 21 to 42 which is 63.