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WARRIOR [948]
3 years ago
15

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.
Mathematics
2 answers:
bonufazy [111]3 years ago
8 0
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
finlep [7]3 years ago
3 0
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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