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noname857
23.07.2019 •
Mathematics
Nick has two cans of white paint, one with a 2% yellow pigment and the other with a 5% yellow pigment. he wants to mix the two paints to get paint with a 4% yellow pigment. how much of the 5% yellow pigment paint should be mixed with 0.4 gallon of the 2% yellow pigment paint to get the desired paint?
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Ответ:
Equation:
yellow + yellow = yellow
0.05x + 0.02*0.4 = 0.04(x+0.4)
Multiply thru by 100 to get:
5x + 2*0.4 = 4x+4*0.4
x = 2*0.4
x = 0.8 gallons (amt. of 5% paint needed in the mixture)
Hope that helped :)
Ответ:
place the dot on 1 and make the line go left. If given options, put the open circle
Step-by-step explanation: