Empty canister

The canister is filled with oil and weighs 17 kg. Suppose filled only half weight 9 kg. What weight does my empty canister have?

Correct answer:

m =  1 kg

Step-by-step explanation:

m+o=17 kg m+o/2 = 9 kg  m+(17m)/2=9  m=1=1 kg  m=11=1  m=1   Verifying Solution:   o=17m=171=16 kg



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