Felicia is working on the following problem: There are 730 balls to be put into packages of 3. How many packages can be made, and how many balls will be left over? Here are Felicia's ideas:
One hundred packages of balls will use 300 balls. After another 100 packages, we will have used up 600 balls. Another 30 packages will use another 90 balls, for a total of 690 balls used. Ten more packages brings us to 720 balls used. Three more packages will bring us to 729 balls used, with 1 ball left over. All together we could make
Write equations as in the text that correspond to Felicia's work. Explain how your equations show that 730 + 3 has whole number quotient 243, remainder 1.
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