Question
Risa has $7 more than Jane. Cathy has thrice the total amount of money Risa and Jane have. The 3 girls have $140 altogether. How much more money than Jane does Cathy have?
4 m

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Risa has $7 more than Jane. Cathy has thrice the total amount of money Risa and Jane have. The 3 girls have $140 altogether. How much more money than Jane does Cathy have?