If a : b = 7 : 5 , then find the value of \(\frac{2a}{3b}\) .

\(\frac{14}{15}\)   \(\frac{14}{19}\)   \(\frac{11}{15}\)   \(\frac{11}{21}\)

\(\frac{14}{15}\)

a : b   =  7 : 5 \(\frac{2a }{3b}\)= \(\frac{7 × 2}{3 × 5}\)  = \(\frac{14}{15}\)