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Mathematics, 06.07.2020 06:01 montgomerykarloxc24x

Suponiendo que en San Salvador solo hay diez autobuses que circulan entre San Salvador y Zacatecoluca. Bajo esas condiciones.¿ De cuantas maneras podría viajar una persona de San Salvador a San Vicente y regresar en un autobús diferente? a) 9 b) 10 c) 19 d) 90

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Suponiendo que en San Salvador solo hay diez autobuses que circulan entre San Salvador y Zacatecoluc...
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