Question

Amber's mother gives her $15 and she saves $3 a week. The expression 15 + 3w gives the amount she save after w weeks. How much money will Amber have saved after 2 weeks, 5 weeks, and 10 weeks ?

Answer 1

2W=21   5W=30  10W=45  Because you multiply 3 times the amount of weeks Amber works and then add that to 15 (the starting point).