Question
The ratio of yellow to pink stamps that Linda had was 5 : 2. The cost of each of the yellow stamps was $2 and the cost of each of the pink stamps was $7. Linda sold 60% of the yellow stamps and the total cost of the unsold stamps was $90. How many yellow stamps did she have left?
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The ratio of yellow to pink stamps that Linda had was 5 : 2. The cost of each of the yellow stamps was $2 and the cost of each of the pink stamps was $7. Linda sold 60% of the yellow stamps and the total cost of the unsold stamps was $90. How many yellow stamps did she have left?