28. Each person will get 2 pieces. 1/6=2/12
29. Each teacher will get 9 cookies. 1/4=(sorry, I'm not sure)
30. Each student will get 4 slices.1/16=4/64
31. She has made five.
Hope this helped :)
The office produce 700lbs of garbage this month... yuck.
We can solve this problem by the rule of three:
1.5 cm---------------15 cm
1.2 cm--------------- x
x=(1.2 cm*15 cm) / 1.5 cm=12 cm.
answer. a=12 cm.