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Initially we must work out the rate at which the tin food is consumed by 2 cats, so we multiply 1/4 (tin food per day for 1 cat) by 2(number of cats), which equals 2/4, so both cats consu...

3x+y=10 _x+y=4-------------2x=6x=3x+y=43+y=4y=1

Simple quadratic equations e.g. x²+5x + 6 = 0, can be solved by evaluating the second and third terms. Quadratic equations can be represented ...

The first step to this question would be to add both of the ratio values which would be 16.Then you would divide the amount of children which is 640 by the value 16. You would Get 40. Then multiply 40 by ...