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Smartphones are on sale. A smartphone now costs only 80% of its original price. By how many per cent would we need to increase the current price of the smartphone in order to bring it back to the original price?

Let a be the original price, b - the current price, and x - the answer we are looking for, so we need to increase b by x % in order to get a . So a=b+b x% (the original price a equals the current price b + t...
AP
Answered by Aleksejs P. • Maths tutor
3890 Views

How should I structure my essays?

In terms of the broader essay, there should be an introduction and conclusion sandwiching the main text of the essay. The introduction aims to bring up the ideas that will be discussed in the essay, but shou...
MZ
Answered by Matthew Z. • English tutor
2436 Views

How much am I expected to write?

In an exam, you’ll be under time pressure, so the examiners aren’t expecting 5000 word masterpieces in response to every question. The general guide for GCSE is one mark a minute, but how much do you have to...
IT
9043 Views

What is orbital hybridisation and its relevance?

In atoms, electrons arrange in different shells (K, L, M...), each holding a number of orbitals (s, p, d, f...). Each orbital holds a maximum of 2 electrons. In some circumstances, a number of orbitals mix t...
AL
4031 Views

Choose a novel or short story in which there is a character who experiences rejection or isolation. With reference to appropriate techniques, explain the rejection or isolation, and discuss how this aspect adds to your appreciation of the text as a whole

"Jack Kerouac's novel On the Road is a text which portrays the pitfalls of the American Dream through the figure of Dean Moriarty, who exists in society as an unemployed and volatile delinquent, yet thr...
IM
Answered by Iain M. • French tutor
2309 Views