3) Karlie finds a shirt at Marshalls on sale for 10% off at a department store. The original price was $20. She has an additiona
l 15 coupon to use at the register. a) Find the total amount Karlie pays for the shirt after all discounts are applied before taxes. b) If a sales tax of 6.25% is applied, what the final 'ollar amount Karlie pays at Marshalls?
2 answers:
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Answer: 10.4
Step-by-step explanation:
According to the right angle triangle, the longest side is the hypothenus, d side facing the angle is the opposite and the other side is the adjacent
So we this we will use tan
Tan 30= opp/adj
Tan 30= 6/x
Cross multiply
Xtan30= 6
X= 6/tan 30
X= 6/1/square root of 3
X= 6 x square root of 3
X= 10.39 ~ 10.4
