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8. Nolan wants to save $180 for a new video game system. If he makes $6 a week doing chores, how many weeks will it take him? А 3 weeks B. 30 weeks c. 120 weeks D. 240 weeks

Sagot :

Hello

The cost of the game is $180 and he makes an average of $6 weekly

Let x represent the number of weeks it will take him to save it up

[tex]\begin{gathered} 1\text{ w}eek=6 \\ x=180 \end{gathered}[/tex]

Step 2

Cross multiply both sides and make x the subject of formula

[tex]\begin{gathered} 6\times x=1\times180 \\ 6x=180 \end{gathered}[/tex]

step 3

divide both sides by the coefficient of x

[tex]\begin{gathered} \frac{6x}{6}=\frac{180}{6} \\ x=30 \end{gathered}[/tex]

From the calculations above, it will take Nolan 30 weeks to save up for the game. This corresponds to option B

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