Single discount 3

What will be the single equivalent discount for successive discounts of 10%, 20%, and 15% on marked price?

Correct answer:

p =  38.8 %

Step-by-step explanation:

p1=100%10%=110010=0.9 p2=100%20%=110020=0.8 p3=100%15%=110015=0.85  r=p1 p2 p3=0.9 0.8 0.85=250153=0.612  r2=1r=10.612=25097=0.388  p=100 r2=100 0.388=38.8%



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