# algebra

posted by Josie

what number minus 25% equals 6000?

1. Ms. Sue

x - 0.25x = 6,000

0.75x = 6,000

x = 6,000 / 0.75

x = 8,000

2. Josie

Wy did you put 0.25x in the first line? x reps what?

3. Josie

and where did you get 0.75 from??

4. Ms. Sue

x represents the unknown number.

5. Josie

but the x is already there in the first digit because it is somethin=x and shouldnt it be :
x-0.25 = 6000?? why x - 0.25x = 6000??

6. Ms. Sue

1 - 0.25 = 0.75

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