90 because...
4/5=.8
x•.8=72
72/.8=90
(• is a multiplication sign, so you don't get it confused with x, which is equal to 90)
Four fifths IS anumber.
12
48
It is a rational number.
To find the number you multiply by four-fifths (4/5) to get one, you need to divide one by four-fifths. This is calculated as 1 ÷ (4/5), which is equivalent to multiplying by the reciprocal of four-fifths. Therefore, you multiply by five-fourths (5/4) to get one.
Four fifths of 10 is 8.
0.8
nine four fifths
There is no Mixed Number as there is no Whole Number involved.
4 is.
Expressed as a mixed number in its simplest form, 4/5 + 4/5 = 1 3/5 or one and three fifths.
four fifths.