x + y = 11
xy = 24
y = 11-x
xy = x (11-x) = 24
11x - x^2 = 24
x^2-11x + 24 = 0
(x-8)(x-3) = 0
x = 8 or 3
xy = 24; y =3 or 8
Answer 8 and 3
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The two numbers that add up to 11 and multiply to 24 are 3 and 8. This is because 3 + 8 = 11 and 3 x 8 = 24. These two numbers satisfy both conditions simultaneously.