terrymcdowell
terrymcdowell
03-02-2017
Mathematics
contestada
6r+3<10r+3<10+9r what is the answer
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rz172
rz172
03-02-2017
I think the answer is r < -1/2
Answer Link
apologiabiology
apologiabiology
03-02-2017
minus 6r from everybody
3<4r+3<10+3r
minus 3 from everybody
0<4r<3r+7
hmm
0<4r, r must be a natural number
since 0<4r is true, then 0<r is also true
minus 3r everybody (weird math)
0<r<7
Answer Link
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