The equation 
represents the total cost, c, of buying x number of adult tickets and y number of child tickets.
Express 
Now divide this equation by 5:
Answer: correct choice is A
This is the concept of statistics. The correct answer is:
There are twice as many participants in the 0-19 age group than in the 60-79 age group. This is because:
Number of participants in the age group 0-19 is 40 participants
Number of participants in the age group 60-79 is 20 participants.
From the above we see that the age group 0-19 is double the number of age group 60-79 years old.
Therefore our answer is option C
Answer:
$838.50
Step-by-step explanation:
10% of 1290 is 129 making 5% 64.5
35%= 129+129+129+64.5=451.5
1290-451.5=838.50
< 1 is the angle has the same measurement as < 3 ( alternate interior angles )
