The cost of a dvd box set increase from 30 to 35 a student says that this represent a 5% increase in the price explain the students error what is the actual percent increase

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

answer: approximately 206 bones

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