Question

One of Jimmy’s friends told him that he would save more if, instead of multiplying the amount by 3 each week, he added enough at the end of 5 weeks to multiply the existing amount by 3. Use summation notation to write this as a sum and find the total amount he would save using this plan.

Answer 1

what was the initial amount?

Explanation:

i might need more information.

Answer 2

Step-by-step explanation: in each of the first five weeks of his job he wants to raise $2 to the number of weeks he has been working multiply it by three and add that amount to the savings account