Search over 10,000 free study notes

Let the cost of a pen = xLet the cost of a ruler = x+8Thus, (x*33) + ((x+8)*21) = £6 = 600 penceHence, 33x + 21x + 168 = 600 54x = 432 x = 8Therefore one pen costs 8 pence.

When approaching an essay question in the exam you will not have the luxury of lots of time to plan a response so it's important you understand how best to attack the paper. FIRST read through all the que...

As a general trend Northern regions (North of the Brandt line) have full access to electricity, such as in Western Europe and North America. Outliers to this trend South of the equator include Australia a...

ax^2 + bx + c squared form: (x + p)^2 + qDivide b by two where here b=10 and then put this value into where p is in the squared form(x + 5)^2Multiply it outx^2 + 10x + 25Compare this with original equatio...

Country: Bangladesh
In Bangladesh, one problem as a result of overpopulation is the lack of housing. There are often over 12 people that share a room in cities such as Dhaka, and there is not enough ...