You have an initial amount of $55 in a savings account and you deposit an equal amount into your account each week. After 6 week s the account holds $133. Write an equation that represents the amount y (in dollars) of money in the account after x weeks.
2 answers:
Given: initial deposit = 45 total deposit = 105 w = weekly deposit x = no. of weeks = 5 weeks y = amount in dollars 45 + 5w = 105 45 + 5w = 105 5w = 105 - 45 5w = 60 w = 60/5 w = $12 weekly deposit. y = $45 + $12x <span>x = (y - 45)/12 </span>To check: y = 45 + 12(5) y = 45 + 60 y = 105 total deposit in 5 weeks x = (105-45)/12 x = 60/12 x = 5 weeks I hope this help
6x + 55=133 this is the equation because u are adding $55 in the account for 6 weeks so that is how you get your answer.
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