A parent is planning a birthday party. The parent has 8 party hats and buys more party hats at the store. If the parent needs a total of 24 party hats for the birthday party, which statement is true?
The equation 8x = 24; buy 16 more
The equation 8 + x = 24; buy 16 more
The equation 8x = 24; buy 32 more
The equation 8 + x = 24; buy 32 more