
David W. answered 12/05/20
Experienced Prof
Let x be the total profits for the year.
"20% of x is from serving breakfast" This is" 0.20x = $403M
note: 20% is 0.20 or 1/5
x/5 = $403M
x = 5 * $403M
x = $2015M
The profit amount from other sources is $2015M - $403M = $1612M
or, you could compute 80% of $2015M = $1612M