Step-by-step explanation:

12/50=24% of student bring lunch so 24%-524=398 student buy lunch out of 524
Answer:
$3.94
Step-by-step explanation:
$30.42 + $9.89 + $5.75 = £46.06
$50.00 - $46.06 = $3.94
It is very simple it would be positive but would remain 35
Answer:
5 5 + 8 27 of 1 + 99 5= 150
Step-by-step explanation:
Add the expressions.