Please help 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