A laptop computer sells for $850. The sales tax is 7%.
What is the total cost of the laptop?

A.$850.07
B.$850.70
C.$909.50
D.$920

Question

A laptop computer sells for $850. The sales tax is 7%. 
What is the total cost of the laptop? 

A.$850.07 
B.$850.70 
C.$909.50 
D.$920

ciarán95 · Answer

With a sales tax of 7%, we are adding on 7% of the selling price of the laptop to find its total cost.
So, 100% (selling price) = $850
     1% of the selling price = $850/100 = $8.50
     107% of the selling price ($850 + sales tax) = $8.50 x 107 = $909.50 (C.)

texaschic101 · Answer

or
850 + 850(.07) = your total cost

anonymous · Answer

thank you