Seudónimo
Seudónimo
19-02-2017
Mathematics
contestada
a number decreased by 7%
Respuesta :
Paramecium
Paramecium
19-02-2017
X-7/100
OR
X-0.07
Since we don't know the number we need a variable which can be any alphabet so I chose "X".
For example if it were 7 decreased by 7 percent, it would be equal to:
7 - 7/100=6.93
Answer Link
ccme
ccme
19-02-2017
93 x
--- = ------
100 Full Number
*****************
93(full number) = 100x
Then divide by 100
*****************
Here is an Example:
93(10) = 100x
930 = 100x
Divide each side by 100
9.3
P.S
The reason the answer isn't 7 is because it's not 70%
Answer Link
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