A D.P B
[tex] \boxed{\frac{2m}{3m} = \frac{m - a}{36} = \frac{20}{m} }[/tex]
⇒Hallamos el valor de "m" :
[tex] \frac{2m}{3m} = \frac{20}{m} \\ \frac{2}{3} = \frac{20}{m} \\ 2 \times m = 20 \times 3 \\ 2 \times m = 60 \\ m = \frac{60}{2} \\ \boxed{m = 30}[/tex]
⇒Hallamos el valor de "a" :
[tex] \frac{2m}{3m} = \frac{m - a}{36} \\ \frac{2}{3} = \frac{30 - a}{36} \\ 2 \times 36 = 3(30 - a) \\ 72 = 90 - 30a \\ 30a = 90 - 72 \\ 3a = 18 \\ a = \frac{18}{3} \\ \boxed{a = 6}[/tex]
⇒Hallamos "m + a" :
[tex]\boxed{m + a = 30 + 6 = 36}[/tex]
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☆ RESOLUCIÓN:
A D.P B
[tex] \boxed{\frac{2m}{3m} = \frac{m - a}{36} = \frac{20}{m} }[/tex]
⇒Hallamos el valor de "m" :
[tex] \frac{2m}{3m} = \frac{20}{m} \\ \frac{2}{3} = \frac{20}{m} \\ 2 \times m = 20 \times 3 \\ 2 \times m = 60 \\ m = \frac{60}{2} \\ \boxed{m = 30}[/tex]
⇒Hallamos el valor de "a" :
[tex] \frac{2m}{3m} = \frac{m - a}{36} \\ \frac{2}{3} = \frac{30 - a}{36} \\ 2 \times 36 = 3(30 - a) \\ 72 = 90 - 30a \\ 30a = 90 - 72 \\ 3a = 18 \\ a = \frac{18}{3} \\ \boxed{a = 6}[/tex]
⇒Hallamos "m + a" :
[tex]\boxed{m + a = 30 + 6 = 36}[/tex]
∴ RESPUESTA:
[tex]\boxed{m + a = 36}[/tex]