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Celine has £5 to buy pens and rubbers. Pens are 18p each. Rubbers are 30p each. She says “I will buy 15 pens. Then I will buy as many rubbers as possible. With my change I will buy more pens.” How many pens and how many rubbers does she buy? [5 marks]

Answer: 16 pens and 7 rubbers
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Answered by Ardra R. • Maths tutor
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x^2 = 4(x – 3)^2

This is a quadratic equation, which contains terms up to x 2 . All quadratic equations can be written in the form a x 2 + b x + c = 0 where a , b and c are numbers, and a cannot be equal to zero. Expand the ...
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Answered by Jennifer W. • Maths tutor
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What is Price Elasticity of Demand?

In this case, I would draw out two diagrams of a good with elastic demand and another good with inelastic demand.Price elasticity of demand is a measure to show the responsiveness of the quantity demand if t...
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Answered by Nicole K. • Economics tutor
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Explain one negative externality that could occur due to the building of a new airport.

A negative externality is a cost that is suffered by a third party as a consequence of an economic transaction. In a transaction, the producer and consumer are the first and second parties, and third parties...
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Answered by Uvini E. • Economics tutor
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Durante tus vacaciones en España escribes un blog para describir tus experiencias. Menciona: • un día de las vacaciones cuando tuviste problemas • un festival en España en que te gustaría participar. Escribe aproximadamente 150 palabras en español.

¡Hola seguidores! ¿Cómo andas? Hoy voy a hablar de mis vacaciones en España. Me desfruté mucho durante la semana pero tuvo un problema en mi primer día. Dije la dirección incorrecta a la conductora de taxi y...
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Answered by Claudia H. • Spanish tutor
5179 Views