Answer:
Step-by-step explanation:
Let c represent the number of child tickets sold. Then 2c-14 is the number of adult tickets sold, and total revenue is ...
5c +8(2c-14) = 728
21c -112 = 728 . . . . . . simplify
21c = 840 . . . . . . . . . . add 112
c = 40 . . . . . . . . . . . . . divide by 21
2c-14 = 66 . . . . . . . . . number of adult tickets sold
66 adult tickets and 40 child tickets were sold.
The mixed number for 128.34 is 128 17/50
Answer:
The answer is 9/4
Step-by-step explanation: