Question
Tammy bought 10 fiction books of the same kind during the Grand Opening Sale. Shiyun bought 5 of the same fiction books. Shiyun also bought 4 pens at $3.10 each. Altogether, she spent $1.90 more than Tammy. What was the amount Shiyun spent?
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Tammy bought 10 fiction books of the same kind during the Grand Opening Sale. Shiyun bought 5 of the same fiction books. Shiyun also bought 4 pens at $3.10 each. Altogether, she spent $1.90 more than Tammy. What was the amount Shiyun spent?