100 - r = 99.52 What's r

2 answers:

4 0

100-r=99.52
First, add r to both sides.
100-r+r=99.52+r
And then simplify.
100=99.52+r
Then, subtract 99.52 from both sides.
100-99.52=99.52+r-99.52
And simplify.
0.48=r
So,
r=0.48

Pavel [41]3 years ago

3 0

100 - r = 99.52
-100 -100
-r = -.48
/-1 /-1
r = .48

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