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In a sale, the original price of a bag was reduced by 1/5. The sale price of the bag is £29.40. Work out the original price.

£29.40 represents 4/5 of xThus to find x, we must multiply 29.40 by 5/4: 29.40/4 = 7.35 (this is 1/5) 7.35 x 5 = 36.75 (this is 5/5, the original price) Original price = £36.75
RW
Answered by Robert W. • Maths tutor
4722 Views

Why does our heart rate increase when we run compared to when we are sitting?

Running demands a lot of energy in our leg muscles in order for them to contract and relax. Energy is released in the process of respiration which breaks down glucose into ATP. The equation for respiration i...
AM
Answered by Ayesha M. • Biology tutor
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Describe the use of rhythm and metre in J.S Bach's Fugue no.21 in Bb Major BWV 866.

Starts with a simple rhythm composed of quavers and semiquavers. Polyrhythms then emerge as multiple different rhythmic lines emerge. It is in 3/4. Some of the rhythms are syncopated as notes become held ove...
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Answered by Tom H. • Music tutor
4857 Views

A store is having a sale on sofas. One sofa was originally £400 but is reduced by 60% in the sale. What is the price of the sofa in the sale?

There are several ways to work out percentages. First however we have to determine 60% of 400 before we subtract it. So an easy way to do this is work out 10% of 400, which is 40 as we just divide 400 by 10,...
LJ
Answered by Luke J. • Maths tutor
3935 Views

Use one or more examples to explain why people migrate within the EU (4 marks)

ANALYSE THE QUESTION:'one or more examples'i.e. one in great depth, or two in less depththey want EXAMPLES - this means they want specific to a certain place/ time/ context'to explain why 'answers need an ex...
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Answered by Daisy C. • Geography tutor
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