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this means that there are 5 parts to share out altogether. (2+3=5) So you take the value you wish to share and divide it by 5. once you've divided the value by five, to share in the ratio 2:3 simply means...

Look at the two fractions to see what multiplier has been used. In this case, the denominators are both known: 8 and 24.

8 has been multiplied by 3 to get a new denominator of 24.

This means...

Equation 1: 4x-y=3  Equation 2: 3x-2y=1

We have to find a common multiple between 4 and 3 so that both equations have the same first value. This means that we can get rid of the x by subtracting th...