To find out how much you will have saved after 4 weeks, we substitute w with 4 in the expression 45 + 3w:
45 + 3(4)
45 + 12
= 57
After 4 weeks, you will have saved $57.
You are saving for a skateboard. Your aunt gives you $45 to start and you save $3 each week. Your expression 45 + 3w gives the amount of money you save after w weeks. How much will you have saved after 4 weeks
1 answer