Respuesta :
"5 fifths" is equivalent to ' 1 ' . So 5 fifths of anything
is equal to whatever comes after the 5 fifths.
if what you need is 1/5 of 65-20 then the answer would be 9.
1/5 (65-20)
1/5 (45)
9
1/5 (65-20)
1/5 (45)
9