Question

The sum of income of a and b is more than that of c and d taken together. the sum of income of a and c is the same as that of b and d taken together. moreover, a earn half as much as the sum of the income of b and

d. whose income is the highest?

Answer 1

hi there
a+b>c+d
a+c=b+d
and 2a= b+d
but a+c=b+d
this means a=c
now a+b>c+d
a- a+b>c+d-a
a=c so
b>d
thus b has highest income
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