The price

The price of the calculator gradually decreased. From 65 euros to 30 euros, then to 10 euros and finally to 4 euros. What percentage were the individual reductions? What percentage of the original price was reduced by a total of?

Correct answer:

p1 =  53.8462 %
p2 =  66.6667 %
p3 =  60 %
p4 =  93.8462 %

Step-by-step explanation:

c1=65 Eur c2=30 Eur c3=10 Eur c4=4 Eur  p1=100 c1c1c2=100 656530=13700%=53.8462%
p2=100 c2c2c3=100 303010=3200%=66.6667%
p3=100 c3c3c4=100 10104=60%



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