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First we have 0.03 x 10.1, multiply without decimal points: 3 x 101 = 303
Since there are 2 decimal places 0.03 and 10.1 has 1 decimal pla...
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. ...
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