Length And Area Of Plane Figures 12. The perimeter of a rectangular plot of land
whose length is (2x+5) m and width (x-10)m
is 80 m. Find the
1) value ofx ii) area of the plot;
iii) cost of weeding the plot at GH¢0.24 per m​

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

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For the first question the answer is a, for the second c, for the third d, for the 4th b, for the 5th a