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Marvin is hoping to buy a used car for S4025. His parents give him $275 towards the car. To earn the rest of the money he plans to mowlawns for $50 per yard. How many yards will he need to mow to earn enough money to buy the car?O 86 yardsO 50 yardsO 80 yardsO 75 yards

Sagot :

Let's call the amount of yards he needs to mown as 'y'. The total value of the car is $4025, since he already have $275 from his father, the rest of the money will be the difference between those values. The rest of the money, he plans to gain by working at a rate of $50 per yard. Writing all of those informations as an equation, we get:

[tex]4025-275=50y[/tex]

To find the amount of yards he needs to mow, we just have to solve this equation for 'y':

[tex]\begin{gathered} 4025-275=50y \\ 3750=50y \\ y=\frac{3750}{50}=75 \end{gathered}[/tex]

He needs to mow 75 yards to buy the car.

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