You are saving for a skateboard. Your aunt gives you 45$ to start and you save 3$ each week. The expression 45+3w gives the amount of money you save after w weeks. How much will you save after 4 weeks?

Answer 1

To find out how much you will save after 4 weeks, you need to substitute w=4 in the expression 45+3w:
Amount saved after 4 weeks = 45+3(4)
= 45+12
= 57 dollars.
Therefore, you will save 57 dollars after 4 weeks.