Answer:
20
Step-by-step explanation:
Answer:
The total cost
in dollars of going to the baseball game for
people of a family can be given as:

Step-by-step explanation:
Given:
At a baseball game:
Cost of car parking = $5
Cost per ticket = $21
To write an equation in the form of
representing the total cost of going to the baseball game.
Solution:
The total number of people in the family is = 
Using unitary method to find the cost of tickets for
persons.
If 1 ticket costs = $21
<em>Then,
tickets will cost in dollars</em><em> = </em>
Fixed rate for car parking = $5
Thus, the total cost
in dollars of going to the baseball game for
people of a family can be given as:

24. unit rate
25. ?
26. surface area
27. trial
28. supplementary angles
29. variable
30. unit conversion ?
Answer:
Step-by-step explanation:
24-(-18)/(-6)
= 24 - 3
= 21