48 adult tickets and 24 children tickets were sold.
Step-by-step explanation:
Given,
Cost of one adult ticket = $8
Cost of one child ticket = $3
Total worth of sold tickets = $456
Let,
Number of adult tickets sold = x
Number of child ticket sold = y
According to given statement;
8x+3y=456 Eqn 1
x = 2y Eqn 2
Putting value of x from Eqn 1 in Eqn 2

Dividing both sides by 19

Putting y=24 in Eqn 2

48 adult tickets and 24 children tickets were sold.
Keywords: linear equation, substitution method
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Answer:
put x=-1, and the rest will be easy
area of rectangle= length × width
here I think I have to draw a rectangle (using insert you can easily get a rectangle)
Answer:
i know
Step-by-step explanation:0.6
Answer: 15 cm to the highest total ; amount of triangles: 25
Step-by-step explanation: for the height just add 3 cm until you reach the top, which will give you 15 cm
for the amount just count them and for the top top layer count up to 9, which will give you 25 triangles.