I need to know what the answer to this question is

A

Step-by-step explanation:

8*a*10⁻²=b*10⁻³

8*a*10⁻²=10b*10⁻²

cancel out 10⁻² by dividing both sides by it.

8a=10b

Use trial error.

A. a=3.1 and b=2.5

   8*3.1=24.8 (round up to 25)

   10*2.5=25

Option A is closest. I tried all options.

x + 3y = 460 ( this is the statement for total amount of money)

x + y = 100 ( this is the statement for number of tickets sold)

now use either equation to solve for y, it just happens that x + y = 100 is the easiest to do this with,

this gives use the answer,

y = 100 - x

now plug this into our money equation and you get,

5x + 3(100-x) = 460

now simplify,

5x + 300 - 3x = 460

2x = 160

x = 80

Therefore, 80 ticketStep-by-step explanation:

idk

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