9. José vende dos bicicletas, cada una a 198 soles. Si en una ganó el 10 %y en la otra perdió el 10%. ¿Cuánto
ganó o perdió por la venta de las dos bicicletas?
a) Ganó S/4.
b) Ganó S/69.
c) Ganó S/39,6.
d) Perdió S/4.
Respuestas a la pregunta
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Respuesta:
Explicación paso a paso:
En la primera ganó S/18
198 ÷ 1.10 = 180
190 - 180 = 18
En la segunda perdió S/22
189 ÷ 90 × 100 = 220
220 - 198 = 22
Así que -22 + 18 = -4
Perdió S/4
leohuaranccasalgado:
grax :3
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