SOLUTION: Elena has $240 in the bank. She withdraws %15 each week to pay for piano lessons. How many lessons can she afford with her savings? Write an equation.

Question 403988: Elena has $240 in the bank. She withdraws %15 each week to pay for piano lessons. How many lessons can she afford with her savings? Write an equation.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = lesson number starting with on 1st week
= how much she has left after weeks
Make this equal to zero which means she has used up all of savings

She can afford 6 lessons
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