A bicycle helmet has a selling price of $50. The helmet is discounted 30% off the selling price. The sales tax rate is 6%. What is the total cost of the helmet?
1 answer:
Convert 30% to a decimal by dividing by 100 = 0.30 Multiply by the cost of the helmet, $50 50 x 0.30 = $15, the amount of the discount. 50-15 = $35, the sale price of the helmet. For the sales tax, again, convert to a decimal by dividing by 100 = 0.06 35 x 0.06 = 2.10, the amount of sales tax $35 + $2.10 = $37.10, total cost with tax
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Basically, you are looking for the ARC SINE of .994 which is 83.72 Degrees You could also use an online calculator: http://www.1728.org/trigcalc.htm
Answer:
$5
Step-by-step explanation:
10% = 10/100 = 1/10.
1/10 of 50 = 5
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