Answer:
1800 ÷ 6
Step-by-step explanation:
18,000 ÷ 60 is the same as;
18,000 ÷ 10 ÷ 6 and is the same as;
1,800 ÷ 6
Answer: 12 child tickets
Step-by-step explanation:
We can use system of equations to find how many child tickets were sold. Let's say x is adult and y is child.
Equation 1
5.25x+3.05y=498.6
This equation comes from the cost of tickets.
Equation 2
x+y=100
This equation comes from the number of tickets.
We can use elimination method to solve for y.
5.25x+3.05y=498.6
5.25x+5.25y=525
Now, we can subtract the equations for x to cancel out and to solve for y.
-2.2y=-26.4
y=12
Answer:
-2, 9
Step-by-step explanation:
2(x+2)(x-9) = 0
x = -2, 9
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