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What are the different types of migration?

There are three main types of migration. these are chain migration, relay migration and step migration. Chain migration is when a migrant moves to a destination country for a while, finds a job and get finan...
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Answered by Archie B. • Geography tutor
19150 Views

Work out the number of green pens in the box. (rest of Q below)

There are only green pens and blue pens in a box. There are three more blue pens than green pens in the box. There are more than 12 pens in the box. Simon is going to take at random two pens from the box. Th...
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Answered by Elinor H. • Maths tutor
5481 Views

Calculate the mean value of 34,35,36,32,39.

Mean is the average value, to calculate it you have to add up all the values and divide it by the number of values.So in this case, adding up: 34 + 35 + 36 + 32 + 39 = 176Then, divide the sum by number of va...
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Answered by Haushala T. • Maths tutor
4754 Views

Given the two equations [1](3x + 4y = 23) and [2](2x + 3y = 16), find the values of x and y

One way to find the values of x and y is to substitute the value of x into one of the equations. To sub in x we need to rearrange an equation to get x on its own. We can change the second equation to x = (16...
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Answered by Stephen H. • Maths tutor
3886 Views

A brother and sister share some pocket money together in the ratio of 4:7. The brother receives £18 less than his sister. How much pocket money do the brother and sister get each?

The brother receives £18 less, meaning the sister receives £18 more than the brother.7 - 4= 3. This means that 3 parts of the ratio is equal to £18, therefore 1 part of the ratio is equal to £6.Brother gets:...
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Answered by Jojo D. • Maths tutor
3382 Views