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zepelin [54]
3 years ago
7

0.3r=2.1. whats the solution

Mathematics
1 answer:
vivado [14]3 years ago
3 0
In order to find "r", you need to isolate it. So in order to isolate it, you do the inverse operation. In this case, it would be division because 0.3 is being multiplied by "r". So you divide by 0.3 on both sides to get 7. 
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