The following table gives information of panchayat elections held in…

The following table gives information of panchayat elections held in six villages P, Q, R, S, T and U.

Village	Total number of votes (in hundreds)	Votes polled (in %)	Valid votes (in %)
P	50	80	80
Q	60	75	80
R	100	65	65
S	80	60	70
T	60	80	90
U	40	90	60

Hint :1) percentage of votes polled =$\frac{\text{Total votes polled}}{\text{Total number of votes}}×100$

2) percentage of valid votes=$\frac{\text{Total valid votes}}{\text{Total votes polled}}×100$

Find the ratio of invalid votes of village R to that of village U ?