Question

Kayla begins saving her money earned from her waitress job for a car. She starts with $25. She plans on savings 3 times as much each week from the previous week. Write an equations to show how much money, m, she saved in n, number of weeks.

Answer 1

we are given that Kayla has a starting amount of 25 and plans to multiply this by three every week. If "m" is the amount of money and "n" the number of weeks, then the first week she has:

`m_0=25`

The first week she has:

`m_1=3m_0`

The second week she has:

`m_2=3m_1=3^2m_0`

The third week she has: