a^2 + b^2 = c^2
9^2 + 7^2 = get the answer then find the square root of it
Answer:
A y=5
Step-by-step explanation:
X=amount of children tickes sold
y=amount of adult tickets sold
2 times of children as adult
x=2y
total cost is 800
5x+10y=800
divide both sides by 5
x+2y=160
x=2y
2y+2y=160
4y=160
divie by 4
y=40
x=2y
x=2(40)
x=80
80 children tickets
40 adult tickets
Answer:
-4.66667 (the 6. is repeating)