Answer:
A) 360 adults
Step-by-step explanation:
c=quantity of child
a=quantity of adult
9c+12.5a=5220
a+c=440 then c=440-a
substitute for c
9(440-a)+12.5a=5220
3960-9a+12.5a=5220
reduce
3.5a=1260
a=360
Answer:dante sold 116 more cups.
Step-by-step explanation: subtract 297 from 413
Answer:
6.3
Step-by-step explanation:

40 = 

x = 6.3
B) 28×50, then take the answer - 1100
Answer:

Step-by-step explanation:
