Cevap :
Cevap:
[tex] \frac{a}{b + 10} = \frac{49}{70 + 10} = \frac{49}{80} = \frac{30}{b + 10} \\ 80.30 = 49(b + 10) \\ 2400 = 49b + 490 \\ 2400 - 490 = 49b \\ 1910 = 49b \\ b = \frac{1910}{49} [/tex]
Cevap:
[tex] \frac{a}{b + 10} = \frac{49}{70 + 10} = \frac{49}{80} = \frac{30}{b + 10} \\ 80.30 = 49(b + 10) \\ 2400 = 49b + 490 \\ 2400 - 490 = 49b \\ 1910 = 49b \\ b = \frac{1910}{49} [/tex]