Read the word problem. cate has 10 dolls. shelayna has 3 times as many dolls as cate. how many more dolls does shelayna have compared to cate? what operations are needed to solve this word problem, and in what order should they be used? addition and subtraction, in that order addition and division, in that order division and subtraction, in that order multiplication and subtraction, in that order

Let's define variables:
 x: number of Cate dolls.
 y: number of Shelayna dolls.
 Let's write the following equation based on:
 "Shelayna has 3 times as many dolls as Cate":
 y = 3x
 Then, for x = 10 "Cate has 10 dolls":
 y = 3 (10)
 y = 30
 Finally:
 30-10 = 20.
 

 How many more dolls does Shelayna have compared to Cate?

 Shelayna has 20 more dolls compared to Cate.

 What operations are needed to solve this word, and in what order should they be used?

 multiplication and subtraction, in that order

It’s hard to understand what you put.. can you show a picture ?