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A book was reduced by 35% in a sale. It's new price is £16. What was the original price ?

Begin by looking at the percentage reduction: 100% - 35% = 65% Therefore, 65% = £16 (as this was the price it was reduced to) 1% = £16 ÷ 65 = 0.2462 So to find the original price it would be 100%; and so you...
DW
Answered by David W. • Maths tutor
7878 Views

Explain the possible effect on consumers and producers when a specific tax is imposed on cigarettes.

The effects on costumers and producers when a specific tax is imposed are dependent on the type of good. As for this case we consider the cigarette market, the demand for them will be inelastic. This nature ...
JT
Answered by Jan T. • Economics tutor
13485 Views

How do I solve simultaneous equations?

When given two simultaneous equations, the first step is to make the factor of one letter equal in both equations. For example, in the example below, we will try to make both equations contain '2b': 6a + b =...
LB
Answered by Lois B. • Maths tutor
4055 Views

What is actus reus and mens rea?

Every crime (with a few exceptions) has the elements of actus reus (“guilty act”) which means the act of committing the crime (for example the act of stabbing someone in the case of murder) and mens rea (“gu...
SG
Answered by Sebastian G. • Law tutor
10179 Views

Factorise 3x^2 + 15x

To factorise an equation you need to look for factors that all the elements of the equation (3x^2 and 15x) have in common. You can do this all at one or in steps, to start with you can see that both parts ha...
EF
Answered by Eve F. • Maths tutor
15711 Views