Answer:
number 4. 13
because first you do the exponents giving you 8 and then divide which is 2 then you subtract which is 13
Let's say the cost of student tickets is x and the cost of adult tickets is y. Then:
(1) 12y + 6x = 138
(2) 5y + 11x = 100
If we rearrange equation (1) we get:
12y = 138 - 6x
Now divide each side by 12:
y = 11.5 - 0.5x
We can now substitute this into equation (2):
5(11.5 - 0.5x) + 11x = 100
57.5 - 2.5x + 11x = 100
8.5x = 42.5
x = 5, therefor the cost of a student ticket is $5.00
X=15
expand the brackets and collect like terms so 6x+15=7x
then -6x to get x=15
There are
100 Centemeters in a meter, and you would need 100 (1/100)'s to make 1. The answer is centimeters.
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