Question

A store sells new video games for $55 each. Used video games sell for $12 each. Jacob is buying 3 new video games for a X used video games. Which equation can be used to find Y, the total price Jacob must pay in dollars?
A, y = 12x +55
B. y - 12x + 165
C. y = 55x + 12
D. y = 165x + 12

Answer 1

Answer:

A, y = 12x +55

Answer 2

Using the slope - intercept form if representating linear expressions, the required expression is Y = 165 + 12X

Given the Parameters :

• New video games = $55 each
• Used video games = $12 each

• Number of new video games = 3
• Number of used video games = X

The tutal cost can be calculated thus :

• (Number of new games × cost per game) + (number if used games × cost per game)

Y = (3 × 55) + (12 × X)

Y = 165 + 12X

Hence, the required expression is Y = 165 + 12X

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