Question

For for every ten sheets of stickers you buy at a craft store the total cost increases $20.50

Answer 1

The equation which relates the change in price per sticker purchased is y = 2.05x

• The number of stickers purchased = 10

• Price change = $20.50

The change in price per sticker purchased can be expressed as :

• Price change / number of stickers

• Change in price per sticker = $20.50 / 10

• Change in price per sticker purchased = 2.05

Therefore, the required equation which related y and x is :

y = 2.05x

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