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Alex wants to buy a new phone. It costs £280. Alex’s weekly wage is £420. He saves 15% of his wage each week. How many weeks does it take Alex to save enough money to buy the phone?

Total wage each week= £420. In one week, he saves 15% of this: 15% of 420 is 0.15 x 420 = £63. So he saves £63 in one week. To calculate the total number of weeks it takes to save up for the phone, divide 28...
AM
Answered by Alexandra M. • Maths tutor
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Briefly describe and explain one study in which plasticity of the brain has been investigated. (4 marks)

Maguire et al. (2000) looked at MRI scans of London taxi drivers. These drivers had to undergo extensive navigational training, known as ‘The Knowledge’ before they became drivers. It was found that, compare...
MH
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Discuss how changing perceptions of early music (mediaeval to Baroque) has informed the evolution of present-day performance and reception

Recording and broadcasting technological progress during the twentieth century has allowed many more people to hear differing performances of all kinds of music, amongst them 'early music'. Though such music...
DD
Answered by David D. • Music tutor
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Describe the types of plate boundary responsible for earthquake hazards.

Earthquake hazards generally occur on or near specific types of tectonic plate boundary; they are the result of a build-up of stress between two tectonic plates that is released when the plates move past eac...
RG
Answered by Ruby G. • Geography tutor
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What is the difference between type 1 and type 2 diabetes

Normally - insulin is a hormone that reduces the amount of glucose in the blood Diabetes - High glucose levels in the blood Type 1 - autoimmune, starts in young people, there is not enough insulin being prod...
PM
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