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Sati [7]
3 years ago
15

White paint cost £2.80 a litre.

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0
There are five parts to the ratio:
18 ÷ 5 is 3.6. 
Therefore you need 10.8l of white paint and 7.2l of blue paint.

10.8l * 2.80 = £30.24
7.2l * 3.50 = £25.20

The total is <span>£55.44</span>
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