Energy saving

They released three different independent inventions saving 15%, 17%, and 16% energy. Some considered that while the use of these inventions, the total savings will be 15% + 17% + 16% = 48%. Is this true? How much will the percent of energy save all three inventions together?

Correct answer:

p =  40.7 %

Step-by-step explanation:

q1=100%15%=110015=0.85 q2=100%17%=110017=0.83 q3=100%16%=110016=0.84  q=1q1 q2 q3=10.85 0.83 0.840.4074  p=100 q=100 0.4074=40.7%



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