Me solve these 3 questions find the amount of the discount on a $160 bicycle that is on sale for 40% off. a $40.00 b $60.00 c $64.00 d $96.00 what is the amount of sales tax owed on a $450 laptop computer if the tax rate is 8% a $36.00 b $31.50 c $45.00 d $3.60 if the the orginal bill is $34.50 what will be the final bill after paying a 15% tip round to the nearest cent a $517.50 b $49.50 c $39.68 d $5.18

Price of bicycle = $160

40% Discount = 40% of $160 = 0.4 x 160 = $64

The discount is $64. (Answer C)

Price of laptop = $450

8% Tax  = 8% x $450 = 0.08 x 450 = $36

The tax is $36 (Answer A)

Original Bill = $34.50

15% Tips = 15% x $34.50 = 0.15 x 34.50 = $5.18

Final Bill = $34.50 + $5.18 = $39.68

The final bill is $39.68 (Option C)

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Area of new circle with diameter GX is   π x (GX/2)^2

Step-by-step explanation:

Here G, H, and X are on the same line.  

G is the center of small circle and X is the center of large circle

Let GX be the diameter of new circle, then

Radius = GX/2

Area of a circle of radius r is given by  

A = πr^2

Here the radius of circle with diameter GX is,  r = GX/2

Therefore area of new circle with diameter GX is  A = π x (GX/2)^2