Question 670557
Let the numbers be x and y
{{{x - y = 8}}}
{{{x^2 - y^2 = 88}}}
{{{(x-y)(x+y) = 88}}}
{{{8 *(x+y) = 88}}}
{{{x + y = 11}}}

{{{x-y = 8)))
{{{x+y = 11}}}
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{{{2x = 19}}}
{{{x = 9.5}}}
which makes y = 1.5

Test your answer. Does {{{9.5^2 - 1.5^2 = 88}}}