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Marianna [84]
3 years ago
8

20 POINTS FOR ANSWER!!!

Mathematics
1 answer:
kiruha [24]3 years ago
3 0
P varies directly with Q and inversely with R, on the contrary, P varies inversely with R, this means P and R are indirectly proportional. In simple terms it means whatever you do to P, you do the opposite to R. O<span>r P=K*Q/R

</span>18=k*5/2 
<span>18=5k/2 </span>
<span>5k=36 </span>
<span>k=36/5 
</span>
P=K*Q/R 
<span>p=(36/5)(20/10) </span>
<span>p=72/5 </span>
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