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Callum mixes a drink such that the Fruit Juice and Water is a ratio of 1:4 respectively. Calculate how much of both the Fruit Juice and the Water Callum will need in order to make 2 litres of juice. (Water: ____ml, Fruit Juice: ____ml )

A ratio of 1:4 means there are 5 parts to the mixture. 2 litres of drink divided into 5 parts means there are 400 ml per part (2000ml/5 parts). As Fruit Juice has 1 part, Callum would need 400ml. As Water ha...
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Answered by Charlotte M. • Maths tutor
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Explain how to calculate Price Elasticity of Demand

Elasticity is just a technical term for "Sensitivity" so Price Elasticity of Demand (PED) simply measures how sensetive Demand is to a change in price. As demand changes can be measured in anything...
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Answered by Mark W. • Economics tutor
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How do I calculate the hydrostatic pressure?

Hydrostatic pressure originates from the weight of the liquid. At a certain point in the liquid, the hydrostatic pressure is going to be equal to the weight of the liquid above the examined point. So in orde...
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Answered by Barnabas G. • Physics tutor
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How should I structure my essay question answers in exams?

One of the most important things is to remember to have a clear structure of an introduction, main body and conclusion. You also need to make sure you are consistently referring and relating back to the ques...
RM
Answered by Ruby M. • History tutor
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Outline the characteristics and explain the causes of urban decline. (6 marks)

Urban decline is the deterioration of previously functioning parts of the city, an example is Hulme, an inner city area of Manchester. Urban decline is typically characterised by worsening social factors suc...
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Answered by William T. • Geography tutor
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