Mathematics
03.02.2022 12:41
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What s the x that will make the fraction greater than or equal to 75% Please show
What's the x that will make the fraction greater than or equal to 75%
Please show the thought process
1/5 = 20%
x-4/x >= 75%
Thanks,
Merry Christmas
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1/5 = 20%
x-4/x >= 75%
Thanks,
Merry Christmas
angeltmccoy1661
4,7(18 marks)
9514 1404 393
x ≥ 16 or x < 0
Step-by-step explanation:
You want ...
(x -4)/x ≥ 3/4
4(x -4) ≥ 3x . . . . . . multiply by 4x (requires x > 0)
4x -16 ≥ 3x
x ≥ 16 . . . . . . . . . . add 16-3x
__
For x < 0, multiplying by 4x gives ...
4(x -4) ≤ 3x
4x -16 ≤ 3x
x ≤ 16 . . . . . and x < 0
__
There are two sets of solutions:
x < 0 or x ≥ 16
deaklet
4,8(48 marks)
Sarah had gotten $75 from every lawn she mowed. she mowed x lawns. after multiplying 75 by x, she realized she owed her mother $20.
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