What would be the equation for this word problem? Banners at the school store were on sale for $3 off the regular price. Louis bought 4 banners on sale and paid a total of $18.

Respuesta :

Answer:

Step-by-step explanation:

x = Banner price

18 = 4(x-3)

18 = 4x - 12

30 = 4x

x = $7.5