Asked by Daisy
when acontainer is 1/4 filled with water it weighs 2.5kg. when it is completely filled with waterr it weighs 3.7kg.What is the weight of the empty container?
Answers
Answered by
R_scott
c + w/4 = 2.5 ... multiplying by 4 ... 4c + w = 10.
c + w = 3.7
solve the system for c (and w)
subtracting equations (to eliminate w) ... 3c = 6.3
c + w = 3.7
solve the system for c (and w)
subtracting equations (to eliminate w) ... 3c = 6.3
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