If x-y= 5 , x² - y² = 55 , then what numbers are x and y ?

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Ax=10 , y= 5

Bx=9 , y= 4

Cx=11 , y= 6

Dx=8 , y= 3

Answer:

x-y = 5 x² - y² = 55 (x-y)(x+y)=55 (x+y) x 5 =55 x+y = 11 x-y=5 2y=6 => y=3 x - y=5 x=5+3=8

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