How do i do this? i'm not good with math

1)y=25x+30
2) Yes 
3) 20$ left over

Slope intercept form formula is y=my+b. The b is your coefficient which does not move. This is where you would start on a graph on the y intercept. The b would be 30 because that is the number that will never change (your coefficient). The m is your slope and your x is how many times you will be taking the lessons. Your m will be 25 because per is a word you use for slope. The y just stays y. Your equation will be y=25x+30. For the second part you want to do y=25(6)+30. 25 multiplied by 6 is 150 and 150 added to your coefficient 30 is 180. A $200 gift card will pay for it. In the end $20 will be left.

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