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White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.

To work out how many litres of white and blue paint is needed, use the ratio 3:2. To find the specifc ratio for 18 litres, of paint: 2+3=5, 18/5=3.6 so (3:2) 3.6 becomes 10.8:7.2 (check 10.8+7.2=18). So to d...
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Answered by Aidan D. • Maths tutor
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How does Charlotte Bronte present Jane Eyre as a strong female character?

Jane's strong character is best seen in the context of her gender as she shows traits that trangress and push the boundaries of those expected of Victorian women. She is fiercely independent and she is fearl...
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How does an increase in temperature affect the rate of a chemical reaction?

An increase in temperature will increse the rate of a chemical reaction, and a decrease in temperature will decrese the rate. This is because the hotter the reactant particles are, the more kinetic energy th...
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Describe your holiday

in this speaking task, the student is usually expected to talk for about 5 minutes in a coversation with the teacher. it is important to use some key words and speech acts for the task. you have some time to...
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Answered by Sara C. • Italian tutor
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The external environment in which businesses operate can have a significant effect on their success. To what extent do you think that the external environments in markets are favorable for businesses at the moment? Justify your answer with reference to ex

The ‘external environment’ is the combination of factors that occur outside of the business. These include: political, economical, social, technological, legal and environmental factors. In terms of the exte...
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