Answer:
4.5 lb
Step-by-step explanation:
225/50 = 4.5 lb
Check work: 4.5 * 50 = 225 lb
87 adults
174 children
70 students
12
(-455)-(-233)+(234)
-455+233+234
(233+234)-455
467-455
12(answer)
is number 3
see explanation on the attached
hope it helps
B