Question 687957
s = 126 + 16.50w
where s is savings and w is number of weeks
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If s is 500, find w
500 = 126 + 16.50w
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Isolate the variable
16.50w = 500 - 126
16.50w = 374
Divide both sides by 16.5
w = 22.6, which is {{{highlight_green(23)}}} weeks
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