The total amount of oatmeal that would be used to make the muffins are 10 1/8.
The total oatmeal that Jeffrey would use is the sum of the total oatmeal used at the family reunion and the oatmeal used at the club meeting.
Oatmeal used at the club meeting = 3 x 2 1/4
3 x 9/4 = 27/4 = 6 3/4
Oatmeal used at the family reunion = 1 1/2 x 2 1/4
3/2 x 9/4 = 27/8 = 3 3/8
Total oatmeal used = 6 3/4 + 3 3/8 =
9 + (6 + 3)/8 = 10 1/8
To learn more about multiplication of fractions, please check: https://brainly.com/question/1114498
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