Question

2 bottles of nail polish for $2.59 each, a bottle of shampoo is $3.82. the sales tax is 9%. how much was the total cost include tax.
a.$8.19
b.$9.09
c.$9.81
d.$17.10

Answer 1

2(2.59)+3.82+.09[2(2.59)+3.82]

Answer 2

cost of the 3 items plus 9% of that cost

Answer 3

ok i still dont understand

Answer 4

you buy 2 bottles of nail polish. so that cost $2.59*2=$5.18
you also buy 1 bottle of shampoo, which cost $3.82
so far you've spent $3.82+$5.18, or $9
now you have to add 9% of that cost to the total cost to account for the taxes
9+0.09(9)=$9.81