Question
Kathy, Betty and Risa have a total of $21.70. Risa has $9.80 more than Kathy and $15.30 more than Betty. How much money have Betty and Kathy altogether?
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Kathy, Betty and Risa have a total of $21.70. Risa has $9.80 more than Kathy and $15.30 more than Betty. How much money have Betty and Kathy altogether?