Nylah spent $16.72 on 12 ice cream bars. Her cost included $1.24 sales tax. How much did each ice cream bar cost before the sales tax was added? Enter your answer in the box

Respuesta :

Find the cost of the 12 ice cream bars before tax.  To do this, subtract the tax amount ($1.24) from the total Nylah spent ($16.72). 

Next, divide your result by 12.  This result is the unit cost of the ice cream bars.

The amount that  each ice cream bar cost before the sales tax was added is $1.29.

Let x represent the cost of each ice cream bar

Hence:

12x + 1.24 = 16.72

Subtract 1.24 from each side

12x=16.72-1.24

12x= 15.48

Divide both side by 12x

x=15.48/12

x=$1.29

Inconclusion the amount that  each ice cream bar cost before the sales tax was added is $1.29.

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