Dora bought a bottle of nail polish that was marked down by 20 percent from its original price of $4.50. Including a 9 percent s ales tax, what is the final cost of the bottle of nail polish?
2 answers:
Answer:
1.8
Step-by-step explanation:
$4.50-%20=3.6
3.6- %9=1.8
Answer:3.82
Step-by-step explanation: Find 80% of 4.50 (4.50 x 0.8=3.60) then find 6% of 3.6 (0.06 x 3.6= 0.216) add 0.216 + 3.6= 3.816 but in money you have to round so the answer is 3.82
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