Problema Solution
Sonya opened a savings account with $200 and deposits $10 each week
Brad opened a savings account with $140 and contributes $40 each week
After how many weeks will brads account balance be twice as much as sonyas
Answer provided by our tutors
Let 'x' represent the number of weeks.
140 + 40x = 2*(200 + 10x)
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click here to see the equation solved for x
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x = 13 weeks
After 13 weeks Brad's account will be twice as much as Sonya's.