Silvia

Silvia is 20% lighter than Katy. What percentage is Katy heavier?

Correct answer:

p =  25 %

Step-by-step explanation:

q=100%20%=110020=0.8   S = q K= 0.80 K K = 1/0.8   S k=1/q=1/0.8=45=1.25 p=100 (k1)=100 (1.251)=25%



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