X = cost of children's ticket
x +3 = cost of adults tickets
100x + 200(x+3) = 2100
100x + 200x + 600 = 2100
300x = 1500
x = 5
answer
children ticket costs $5
You do 1/2 of the height and multiply the width
Answer: 3 1/2
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given
See attachment for parallelogram
Required
Find variables x and y
Solving for x, we have:
---- Opposite sides of a parallelogram
------ Divide both sides by 5

Solving for y, we have:
---- Opposite sides of a parallelogram
------ Collect like terms

---- Divide both sides by 3

Answer:
Its a and c
Step-by-step explanation:
hope this helps:)