Express $0.38$0.38 as a ratio of integers in the form $a:b$a:b.
Express $37%$37% as a ratio of integers in the form $a:b$a:b
A bridge is made up of 3 spans, $PQ$PQ, $QR$QR and $RS$RS as shown in the figure.
Express $5$5 years to $33$33 months as a simplified ratio.