I think this is what you want. I copied down the formula a few more rows to show results for different data.
<colgroup><col style="width: 25pxpx"><col><col><col></colgroup><thead>
</thead><tbody>
[TD="align: center"]4[/TD]
[TD="align: right"]6[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]8[/TD]
[TD="align: center"]5[/TD]
[TD="align: right"]6[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"]9.5[/TD]
[TD="align: center"]6[/TD]
[TD="align: right"]7[/TD]
[TD="align: right"]7[/TD]
[TD="align: right"]17[/TD]
[TD="align: center"]7[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
</tbody>
Sheet2
[TABLE="width: 85%"]
<tbody>[TR]
[TD]
Worksheet Formulas[TABLE="width: 100%"]
<thead>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TH="width: 10px"]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
</thead><tbody>[TR]
[TH="width: 10px, bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]G4[/TH]
[TD="align: left"]=IF(
F4+E4>8,8+(F4+E4-8)*1.5,F4+E4)[/TD]
[/TR]
[TR]
[TH="width: 10px, bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]G5[/TH]
[TD="align: left"]=IF(
F5+E5>8,8+(F5+E5-8)*1.5,F5+E5)[/TD]
[/TR]
[TR]
[TH="width: 10px, bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]G6[/TH]
[TD="align: left"]=IF(
F6+E6>8,8+(F6+E6-8)*1.5,F6+E6)[/TD]
[/TR]
[TR]
[TH="width: 10px, bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]G7[/TH]
[TD="align: left"]=IF(
F7+E7>8,8+(F7+E7-8)*1.5,F7+E7)[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]