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The perimeter is the distance around the rectangle. A rectangle has 4 sides: 2 of them will be the length (8cm) and 2 of them the width (3cm). To get the perimeter, you add up 2 of the length and 2 of the...

a) 1.45 x 12= £17.40

b) (answer from part a-£9.45) 17.40 - 9.45= £7.95

Since 1/5 of the class is absent, this must mean that 4/5 of the class is present. We are told that 24 pupils are present, so 4/5 of the class must equal 24 pupils. Now we need to find out how many pupils...

12 + 37 + 47 = (10 + 30 + 40) + (2 + 7 + 7) = 80 + 16 = 96

It is important to visualize well the operation, being able to separate and put together the numbers that are easy to calculate together. ...

Whilst this question seems complicated because numbers have been thrown in with words it is infact a simple question. There are 3 thirds in one.

1/3 + 1/3 + 1/3 = 1

Therefore there are 8 x 3...