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How much pure anti freeze must be added to 10 gal of 10% antifreeze solution to increase its concentration to 60 % anti freeze?
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An astronaut of mass 78.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with
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so far this what i clearly understand 10 gallons of 10% antifreezee solution so 1 gallon has 10% antifreeze and 90%water. so it's 1 gallon of antifreeze and 9 gallons of water which make up the 10 gallons total but i do not know how to proceed from here
thanks,Steve and Anonymous,but i do not understand.please,i will need you to elucidate a little bit more.if you could give me the steps explaining them,that would not only provide the answer but also teach me how to do it and the logic behind it. thanks
the total cost of the lot =1,000,000 she has to give a down payment of 20% 20x1,000,000=200,000 D.P = 200,000 SHE HAS 800,000 TO PAY OFF SHE WILL HAVE TO GIVE 12% (OF 800,000) EVERY YEAR FOR 10 YRS IN A ROW 12% OF 800,000=96,000 EVERY YEAR SHE WILL HAVE TO

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