Question
Mary bought 8 novels of the same kind during the Christmas Sale. Opal bought 5 of the same novels. Opal also bought 2 buttons at $2.80 each. Altogether, she spent $1.70 more than Mary. What was the amount Opal spent?
3 m

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Mary bought 8 novels of the same kind during the Christmas Sale. Opal bought 5 of the same novels. Opal also bought 2 buttons at $2.80 each. Altogether, she spent $1.70 more than Mary. What was the amount Opal spent?