Mathematics, 29.07.2019 05:00, alex43079
An automobile radiator contains 20 l of antifreeze and water. this mixture is 20% antifreeze. how much of this mixture should be drained and replaced with pure antifreeze so that the mixture will be 50% antifreeze.
Answers: 1
Mathematics, 21.06.2019 19:00, myalee1419
In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
Answers: 3
An automobile radiator contains 20 l of antifreeze and water. this mixture is 20% antifreeze. how mu...
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