What excel formulas are used in column G and H

Bonus +Spresdsheets [Read-Only] - Excel Home Insert Page Layout Formulas Data Review View Tell me what you want to do 5 2 A Define Name - Trace Precedents 45% Show F Name f Use in Formula " Trace Dependents Error C AutoSum Recently Financial Logical Text Date & Lookup & Math & More Used Time Reference . Trig . Functions . Manager Create from Selection ix Remove Arrows . fx Evaluate Function Library Defined Names Formula Auditin X V Q B D G H K L M N 0 P R ade 1 Grade 2 Grade 3 Grade 4 Grade 5 Average Grade Pass? Letter Grade Table 90 68 84 68 86 79