0
Anonymous
A: 14 fifths
Proof:
1/5 = 0.2
2.8 is desired sum of fifths
Expression
0.2X=2.8
X= 2.8/0.2
X=14
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56
22.4
28
1 = 5 fifths 2 = 10 fifths 3 = 15 fifths 4 = 20 fifths
2/5 x 70 = 28