Question

Hello! I would really appreciate it if this question is answered ASAP, I've got a test coming up. Thank you! ​

Answer 1

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A : % reduction : 12.5%

sale price : 64-(64*12.5)/100=55.875=£55.8

B : reduction 33.333=33%

sale price : 16.55-(16.55*33)/100=11.0885=£11.08

C : sale price 14.80

full price 18.5

reduction :[(14.8-18.5)/18.5]*100=20%

D : sale price £93

fulle price £124

redcustion : [(93-124)/124]*100=25%

E : sale price £16.15

reduction 15% ie coefficient 1-(15/100)=0,85

full price : 16.15/0.85=£19

Explanation: