Mathematics, 27.05.2021 19:10 rhd112458

R10. Un libro y una revista cuestan $140. Se sabe que el costo del libro menos el doble del costo de la revista es igual a $20,
¿cuánto cuestan el libro y la revista? *
A) El libro cuesta $90 y la revista $50.
B) El libro cuesta $120 y la revista $20
Ο Ο Ο Ο
O C) El libro cuesta $ 100 y la revista $40.
O. D) El libro cuesta $110 y la revista $45.
R11. ¿Cuál es el desarrollo plano que permite la correcta
construcción de un cono? *

Answers: 1

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R10. Un libro y una revista cuestan $140. Se sabe que el costo del libro menos el doble del costo d...

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