9514 1404 393
Answer:
Step-by-step explanation:
The amount of water in the mix is 2/(5+2) = 2/7 of the volume of the mix. That amount is ...
(2/7)(21 liters) = 6 liters
Then the other 21-6 = 15 liters are antifreeze.
A) To make the mix 1 : 1, 15-6 = 9 liters of water need to be added.
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B) To make the mix 1 : 2, The total amount of water needs to be brought to 30 liters. 15 more liters need to be added for a total of 24 added liters of water.
the answer of 0.4 is 2/5 or 2 1/5
Answer:
13
Step-by-step explanation:
3 x 11 - 5 x 4
3 x 11 - 20
33 - 20
13
Answer:
7z + 17
Step-by-step explanation:
15 and 2 are the only alike terms.
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