Answer :

To make it easy we can multiply 5 and 0.8 times 10 before we start dividing. The result will no change because we multiplying both numbers by the same number.
5*10=50
0.8*10=8
No we can divide 50:8
  6,25 - its the result
50:8
48
  20
  16
    40
    40
      0

Hope that helps.

6 . 25 is your answer hope this helps


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