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Answer 1

`a xx 0,25 + 6,125 = 2,825 xx 5`

`=> a xx 0,25 + 6,125 =14,125`

`=> a xx 0,25 =14,125- 6,125`

`=> a xx 0,25 =8`

`=> a = 8 : 0,25`

`=>a=32`

Answer 2

=>a*0,25=8

=>a=32