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There are 45 pupils in a class, 1/9 travel to school by train, 2/5 travel to school by car, 2/9 take the bus. Find how many students walk

First the number of children that travel by train can be found by dividing 45 by 9 to give 5. Since we know that double as many take the bus, as 2/9 is the double of 1/9,5x2=10 children take the bus. Then we...
KS
Answered by Karina S. • Maths tutor
14659 Views

Expand and Simplify: 2y(3x - 8) + x(2x + y)

Start by expanding the brackets. This means that you must multiply everything inside the bracket by whatever is outside the bracket. Therefore, you should be left with: 6yx - 16y + 2x^2 + xy After this, you ...
JB
Answered by Jasmine B. • Maths tutor
4452 Views

What is 0.032 multiplied by 1000

When we have numbers that are smaller than 1 we use the coma to help us multiplie by 1000. As there are 3 zeros in 1000, we will move the coma on 0.032 3 times to the right to make it bigger. So once would b...
BS
Answered by Bryony S. • Maths tutor
7037 Views

How many thirds are there in 9?

A third is exactly how it sounds: 1 piece out of 3 pieces of one number. If you imagine a cake is cut into 3 slices, one third would be one of those slices. This means that we have 3 thirds in any whole numb...
RB
Answered by Rachel B. • Maths tutor
45504 Views

What is the next number in this sequence: 15, 29, 43, 57, 71, ?

The answer is: 85 Because in the to get the next number you add 14 to the previous number
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Answered by Ife F. • Maths tutor
5405 Views