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Sagot :
Lauren is saving for a new purse that costs $65
She already has $14
She will earn $2 for a weekly allowance
She will also get $3 a week for good behavior
How many weeks will it take before Lauren has enough money for her new purse?
Let x denotes the number of weeks.
We can set up an equation as
[tex]14+2x+3x=65[/tex]Where $14 is the money she already has.
2x and 3x are weekly allowance and good behavior allowance.
The sum of all these must be equal to the target amount that is $65
Now let us solve the above equation to get the x (number of weeks)
[tex]\begin{gathered} 14+2x+3x=65 \\ 14+5x=65 \\ 5x=65-14 \\ 5x=51 \\ x=\frac{51}{5} \\ x=10.2 \end{gathered}[/tex]Therefore, it would take 10.2 weeks before Lauren has enough money for her new purse.
(Note: If rounding off is allowed then let us round off to the next whole number that is 11 weeks)
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