Niu has decorated xxx cards. he started with 242424 stickers, and he used 444 stickers per card. which expressions can we use to describe how many stickers niu has left?

The required expression is 24 - 4x

Step-by-step explanation:

Given,

Initial number of stickers she has = 24,

Also, the number of stickers she used for a card = 4,

⇒ the number of stickers she used for x cards = 4x,

So, the number of stickers she left after decorating x cards = Initial number of stickers - the number of stickers used for x cards,

= 24 - 4x

Which is the required expression.

If your using khan C & E

Step-by-step explanation:

a little cheating

14

step-by-step explanation:

14 x 3 = 42

answer is x<