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Snowcat [4.5K]
3 years ago
8

mary mixes white paint with blue paint in the ratio 2:3. she makes a total of 20 litres of paint . how much more paint will she

need to add to the mixture so that the ratio of the white paint to blue paint will be 1:7
Mathematics
2 answers:
Anastasy [175]3 years ago
8 0


Mary has 20 liters of paint mixed white:blue in the ratio 2:3.  So two fifths of that paint is white and three fifths is blue.  So that's 8 liters white, 12 liters blue.

We want to add paint to get white:blue = 1:7.  Clearly we need to add blue.  We have our 8 liters of white, so we need a total of 7(8)=56 liters of blue.  We already have 12, so we have to add 56-12=44 liters of blue paint:

Answer: Add 44 liters blue

snow_tiger [21]3 years ago
5 0

44 Litres

That’s the answer of what I got

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