MYTUTOR SUBJECT ANSWERS

538 views

In a competition, a prize is won every 2014 seconds. Work out an estimate for the number of prizes won in 24 hours. You must show your working. (4 marks)

They key to answering this question is that it is only asking for an estimate. So you don't need to provide an exact answer; as long as your answer is within a certain range you will get full marks provided that you show all your working.

To start you need to figure out roughly how many seconds there are in 24 hours. You know that in each hour there are 60 minutes and that in each minute there are 60 seconds. This means that in 24 hours you have 24 x 60 x 60 seconds. As this question comes up in a non-calculator paper you will have to work this out yourself. The easiest way is to round the 24 to 20, and you are allowed to do this since you only want an estimate. Now all you have to work out is 20 x 60 x 60 which looks a lot easier. If you ignore the zeros for now you can simply do 2 x 6 x 6 which is equal to 2 x 36 which again is equal to 72. Now you have to add the 3 zeroes that you removed earlier. So the answer to 20 x 60 x 60 is 72000. You have just worked out that there are roughly 72000 seconds in 24 hours (or a day).

The question states that there are prizes won every 2014 seconds. So to figure out how many prizes are won in 24 hours you need to find out how many times 2014 fits into 72000, or in other words 72000 / 2014. Once again you can make this division a lot easier by rounding the 2014 to 2000. Now you have 72000 / 2000. A neat trick to dividing is that if both the numerator and denominator have triailing zeroes you can remove a the last zero from both numbers until either one of the numbers no longer has a zero as its last digit. So step by step the above division would become 7200 / 200, then 720 / 20 and finally 72 / 2. So the answer to the question is 36. (which is half of 72).

Sivarjuen R. GCSE Maths tutor, 13 plus  Maths tutor, GCSE Physics tutor

8 months ago

Answered by Sivarjuen, a GCSE Maths tutor with MyTutor


Still stuck? Get one-to-one help from a personally interviewed subject specialist

461 SUBJECT SPECIALISTS

£18 /hr

Abhinav T.

Degree: Medicine (Other) - University College London University

Subjects offered:Maths, Physics+ 2 more

Maths
Physics
Chemistry
Biology

“Confirming understanding by verbal confirmation and communication so as to ensure clarity and confidence during the learning process and progression.”

MyTutor guarantee

Holly R. A Level Biology tutor, GCSE Biology tutor, A Level Chemistry...
£18 /hr

Holly R.

Degree: Medical Sciences (Human Genomics) (Bachelors) - Exeter University

Subjects offered:Maths, Human Biology+ 1 more

Maths
Human Biology

“A tennis coach with 4 years experience teaching, and a passion for it. Studying Medical Science, my enthusiasm allows me to instil the same in others.”

PremiumRyan G. GCSE Maths tutor, GCSE Physics tutor, GCSE Computing tutor, A...
£22 /hr

Ryan G.

Degree: Electrical Engineering with Renewable Energy (Masters) - Edinburgh University

Subjects offered:Maths, Physics+ 2 more

Maths
Physics
Computing
-Personal Statements-

“ I will offer a wide range of ways to learn so you can find a way that best suits you!”

About the author

£18 /hr

Sivarjuen R.

Degree: MSci Computer Science (Masters) - Birmingham University

Subjects offered:Maths, Physics

Maths
Physics

“Who am I? My name is Siv and I am a Computer Science student at the University of Birmingham. My aim is to not just make you more confident at maths and science, but to also make you love these subjects as much as I do. I have a litt...”

MyTutor guarantee

You may also like...

Posts by Sivarjuen

How do fossil fuel powered power stations and solar powered power stations generates electricity?

In a competition, a prize is won every 2014 seconds. Work out an estimate for the number of prizes won in 24 hours. You must show your working. (4 marks)

Other GCSE Maths questions

There are 200 students in Year 10. 110 are boys. There are 250 students in Year 11. 140 are boys. Which year has the greater proportion of boys?

Explain how to solve simulatentous equations.

Find all solutions of x^2-x-6 using the quadratic formula

1/4 of a number is 20. What is 5 times the number?

View GCSE Maths tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok