Question

Sammy had 13 dolls. Ellie gave her some more. Now, Sammy has 21 dolls. How many dolls did Ellie give her?

Which equation best represents the statement above?

Question 3 options:

21 + 13 = d


21 - d = 13


13 + d = 21


13 - d = 21

Answer 1

13 + d = 21

bc 13 + what ever amount should equal to 21

Explanation:

Answer 2

13+ d = 21

Explanation:

sammy already had 13 andellie gave her enough to make her have 21. so 13 plus 8 = 21. so d = 8