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Angelina_Jolie [31]
3 years ago
6

To make 3 litres of pale purple paint you mix:

Mathematics
1 answer:
melisa1 [442]3 years ago
5 0

Answer:

We need 4 litres of red paint.

Step-by-step explanation:

We need to take their respective precentages to compare the 3 litres of paint to 8 litres of paint.

\frac{1.5}{3}  \times 100\% = 50\% \\  \frac{1.25}{3}  \times 100\% = 41.67\% \\  \frac{0.25}{3}  \times 100\% = 8.33\% \\

Now, we know that the pale purple paint contains 50% red paint, 41.67% blue paint, and 8.33% white paint.

Now, we will transfer these percentages to the 8 litres of paint:

50\% \: of \: 8 \: litres = 0.5(8) = 4 \: litres \\ 41.67\% \: of \: 8 \: litres = 0.4167(8) = 3.3336 \: litres \\ 8.33\% \: of \: 8 \: litres = 0.0833(8) = 0.6664 \: litres

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