Question 10
Arnold baked cupcakes over the weekend. Each day during the week he took three cakes to school to share with his friends. On Saturday when he counted there were 18 left. How many had he baked?
Self-study school-week convention (editorial): take cupcakes to school on Monday through Friday only. Count the 18 remaining on Saturday before any further removal. No other cupcakes were eaten, removed or added.
Self-study school-week convention (editorial): take cupcakes to school on Monday through Friday only. Count the 18 remaining on Saturday before any further removal. No other cupcakes were eaten, removed or added.