Read the problem situations below and explain your thinking for each problem.

a) Dona earns $5 per week for doing her household chores. She wants to purchase a new paint set that cost $16.

1) If Dona saves $3 each week, how long will it take her to save enough money to purchase the paint set?

2) If Dona saves $4 each week, how long will it take her to save enough money to purchase the paint set?

b) In June, Chuck got $50 for his birthday and put it in a bank account for saving. He will earn $1 interest on his saving for each month after June. If Chuck does not add or remove any additional money from his savings, how much money will he have in December?