Base of percentages

7% of the base is 35 kg. What is 39% of that base?

Correct result:

b =  195 kg

Solution:

p1=7%=7100=0.07 p2=39%=39100=0.39  a=35 kg    p1 z=a 0.07 z=35  0.07z=35  z=500  b=p2 z=0.39 500=195 kg



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