Question
On Saturday, Tammy, Tiffany, Tina and Gillian spent a total of $206. On Sunday, Tammy spent twice of what she spent on Saturday, Tiffany spent the same as what she spent on Saturday, Tina spent $15 less than what she spent on Saturday, and Gillian spent $9 more than what she spent on Saturday. All of them spent an equal amount on Sunday. How much did Tammy and Gillian spend altogether on Saturday?
4 m

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On Saturday, Tammy, Tiffany, Tina and Gillian spent a total of $206. On Sunday, Tammy spent twice of what she spent on Saturday, Tiffany spent the same as what she spent on Saturday, Tina spent $15 less than what she spent on Saturday, and Gillian spent $9 more than what she spent on Saturday. All of them spent an equal amount on Sunday. How much did Tammy and Gillian spend altogether on Saturday?