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Nadia has £5 to buy pencils and rulers. Pencils are 8p each. Rulers are 30p each. She says “I will buy 15 pencils. Then I will buy as many rulers as possible. With my change I will buy more pencils.” How many pencils and how many rulers does she buy?

  1. Read the question carefully to understand what it is asking2) Consider how to approach the question - is there more than one way of getting the answer, are there any things that could trick me out (...
HP
Answered by Hanesh P. Maths tutor
2414 Views

For all values of x, f(x)=(x+1)^2 and g(x)=2(x-1). Show that gf(x)=2x(x+2)

The question is asking us to find gf(x).
When approaching this question, the first thing I tend to look for is what information we have that we can break down. In this case, I can immediately see tha...

HB
Answered by Hannah B. Maths tutor
8493 Views

Explain how a stent works to treat Cardiovascular Disease? (3 marks)

A stent is a small cylinder wire mesh that is inserted into the blood vessel and expanded. This opens the middle of the blood vessel, allowing greater blood flow,...

RT
Answered by Robert T. Biology tutor
4150 Views

When should I use perfect or the imperfect tense?

The perfect tense refers to events in the past that are definite and complete. It can often be used when something in the past relates to something happening in the present. It is translated at 'i have'...

RC
Answered by Rachel C. French tutor
1330 Views

Give two reasons for the economic boom of the USA in the 1920s.

One reason for the economic boom of the 1920s was the increase in mass production. This was caused by the creation of the assembly line by Henry Ford, who used it to make his Model T Ford cars. This new s...

OG
Answered by Olivia G. History tutor
6010 Views

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