From 1, prt = P*r*r no other info, so inufficient
From 2, prt = 1.9p
Insufficient
1+2
P*r*r = 1.9P
R= sq.root 1.9
Hence, C.
Sent from my A0001 using GMAT Club Forum mobile app
From 2, prt = 1.9p
Insufficient
1+2
P*r*r = 1.9P
R= sq.root 1.9
Hence, C.
Sent from my A0001 using GMAT Club Forum mobile app
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