(2p+1):5=9:15,nilai p adalah

[tex] \frac{2p + 1}{5} = \frac{9}{15} \\ 15(2p + 1) = 5 \times 9\\ 30p + 15 = 45 \\ 30p = 45 - 15 \\ 30p = 30 \\ p = \frac{30}{30} \\ p = 1[/tex]

(2p+1):5=9:15
30p+15=45
30p=45-15
30p=30
p=1