Question
Zoe had some rings. She gave 13 of the rings to her niece and gave 27 of the remainder to her sister. She sold the rest at 2 for $4.20. She received a total of $105 from the sales of the rings. How many rings did she have at first?
4 m

Click button first when a symbol is required. X

Zoe had some rings. She gave 13 of the rings to her niece and gave 27 of the remainder to her sister. She sold the rest at 2 for $4.20. She received a total of $105 from the sales of the rings. How many rings did she have at first?