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vichka [17]
3 years ago
9

Solve for r whats the answer

Mathematics
2 answers:
NARA [144]3 years ago
7 0
(9r-18)/2 < 45
9r-18< 90
9r< 108
r < 12
tankabanditka [31]3 years ago
5 0
R=12 because in order to get rid of the 2 in the denominator you have to multiply both sides by 2. Then the equation reads 9r-18<90. Next add the 18 to her 9r<108. And lastly divide by 9 to solve for r. Which in this case is 12
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