Question

suppose that you have 75$ in your savings account and you save an additional 5$ per week. your friend has 30$ in his savings account and saves and additional 10$ per week. In how many weeks will you both have the same amout of money in yoir accounts?

Answer 1

Answer:

12 weeks

Step-by-step explanation:

your account

75 total

5 a week to add in

friend account

30 total

10 a week to add in

you need to first recognize that the friend might have a lower balance but he will be adding in double a week compared to you.

it will take him    it will take you

starting      30              75

week 1       40                 80

week 2      50                85

week 3       60                 90

week 4       70                  95

week 5        80                    100

week 9        90                     105

week 10        100                   110

week 11         110                      115

week 12         120                       120