55.n+100=825 can be used to determine the number of weeks it would take to reach the goal.
Step-by-step explanation:
Given,
Starting amount = $100
Amount after one week = $155
Amount saved = Starting amount - amount after one week
Amount saved = 155 - 100 = $55
Amount you want to save = $825
Let,
n be the number of weeks.
As the rate of saving is same each week,
55*Number of weeks + Starting amount = Amount you want to save
[tex]55.n+100=825[/tex]
55.n+100=825 can be used to determine the number of weeks it would take to reach the goal.
Keywords: linear equation, addition
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