Question

The charge for a chocolate box is 5 dollars and each chocolate cost 2 dollar. If you spend y dollars to buy x number of chocolates, find the equation represeting the total cost of the chocolate box.

• A. y = 5x
• B. y = 2x + 5
• C. y = 2x
• D. y = 5x + 2

Answer 1

The correct option is B y = 2x + 5

The cost of the box is 5 dollars.

You buy x number of chocolates.

Cost of each chocolate = 2 dollars.

$\text{∴ Cost of x number of chocolates =}2\times x=2x$

$\text{So, total cost (y) =}2x+5$