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tekilochka [14]
3 years ago
13

Help me asap! please help

Mathematics
1 answer:
OLEGan [10]3 years ago
8 0

cross multiply:

21*9 = 189

7*q = 7q

so you have 189/7q

 divide 189 by 7 to get q

189 / 7 =27

q = 27

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