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hiro and lisa are photographers. they take pictures of seniors for high school yearbooks. they charge a stander fee for taking the pictures. there's also a change for each sets of prints determines the cost sets of prints : total cost: 0 $30 1 $50 2 $70 3 $90 let s stand for the sets of prints ordered. write the ruel that describes a students total cost.

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@Conqueror can you please help me with this question?
o_o @iGreen.
Oh, I think it wants you to write an equation.

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Other answers:

What's 50 - 30? @itsdaniela
The total cost @iGreen. And yes I need help writing an equation @Conqueror
Yes, can you tell me what 50 - 30 is?
oh lol 20 @iGreen.
Yes, the total cost keeps increasing by 20.
And the y-intercept is 30, because we are given the point (0, 30). So we can write the equation: \(s = 20a + 30\)
Thank you so much! @iGreen.
No problem.

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