Question

On an average day 1/40 of the students at Brown Middle School are absent during an outbreak of flu twice as many students are absent what fraction of students is this

Answer 1

First:
Convert any mixed numbers to fractions.
Then your initial equation becomes:
140×21
1
40
×
2
1
Applying the fractions formula for multiplication,
=1×240×1
=
1
×
2
40
×
1
=240
=
2
40
Simplifying 2/40, the answer is
=120