Respuesta :

is this two different problems? 

25.08 + 4k = 80.06 

4k = 80.06 - 25.08

k = 13.745

2. 
(4/4)5/2 + (-25/8)
(20/8) - (25/8)
=-5/8

let me know if i was right
hope this helps

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