p = 60% DE 90
[tex]p = \frac{60 \times 90}{100} [/tex]
p = 54
Q = 20% del 10% de 900
Q = 20% de:
[tex] \frac{10 \times 900}{100} [/tex]
Q = 20% de 90
[tex]q = \frac{90 \times 20}{100} [/tex]
Q = 18
---
P + Q = 18 + 54 = 72
--
72 ES LA RESPUESTA CORRECTA
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p = 60% DE 90
[tex]p = \frac{60 \times 90}{100} [/tex]
p = 54
Q = 20% del 10% de 900
Q = 20% de:
[tex] \frac{10 \times 900}{100} [/tex]
Q = 20% de 90
[tex]q = \frac{90 \times 20}{100} [/tex]
Q = 18
---
P + Q = 18 + 54 = 72
--
72 ES LA RESPUESTA CORRECTA