Question
Gem has 13 as many stamps as Risa. They have a total of 72 stamps. How many stamps must Risa give to Gem so that they will have the same number of stamps?
4 m

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Gem has 13 as many stamps as Risa. They have a total of 72 stamps. How many stamps must Risa give to Gem so that they will have the same number of stamps?