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Jay, Sheila and Harry share £7200 in the ratio 1 : 2 : 5. How much does Harry receive?

We can calculate the sum of the numbers in the ratio. 1+2+5=8.Now divide £7200 by 8 to find out how much 1/8 is worth (7200/8=90)Finally multiply 90 by 5 to calculate 5/8 (the amount that Harry will receive)...
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Answered by Lewis T. • Maths tutor
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What are the functions of the substances in the blood?

The blood is an amazing way to deliver all kinds of important and interesting materials around our body to the organs and tissues that need it the most and is efficient in removing harmful substances from th...
Answered by • Biology tutor
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Outline the importance of photosynthetic pigments in photosynthesis

Photosynthetic pigments are found in certain proteins and absorb photons (waves of light) at particular wavelengths. This absorbance causes electrons in the pigments to become excited and they increase in en...
Answered by • Biology tutor
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Explain why glucose is needed for the contraction of skeletal muscle.

Skeletal muscle use glucose in glycolysis to generate ATP, the energy currency of the cell. ATP binds the myosin head in skeletal muscle to displace actin (a protein bound as part of the muscle contraction c...
Answered by • Biology tutor
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What is Social Control?

Social control is a really interesting concept that is the fundamental principle for explaining why most people like us will tend to follow orders in society and avoid committing crime and deviant or abnorma...
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Answered by Aneesa A. • Sociology tutor
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