Frankie purchased 3 video games for $x and a game system for $400. He spent a total of $510. 4 (a) Write an equation that can be used to determine the cost of one video game

Given:

Frankie purchased 3 video games for $x and a game system for $400.

He spent a total of $510.

To find:

The equation that can be used to determine the cost of one video game.

Solution:

We have,

Cost of game system (Fixed cost) = $400

Cost of 1 video game =

Cost of 3 video games =

Now,

Total cost = Cost of game system  + Cost of 3 video games

                =

                =

He spent a total of $510. It means, total cost is equal to $510.

Therefore, the required equation is .

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