MATH BOOK Math Book True | Page 6
EJEMPLOS
1) VERDE
Una llave llena un tanque en 36 min. ¿Qué tiempo demora en
llenarlo si cuando se abre, el tanque está lleno hasta la tercera
parte?
(A) 24min
Solución:
(A)
(B)
(C)
(D)
(B) 18min
(C) 12min
MATH BOOK Math Book True | Page 5
MATH BOOK Math Book True | Page 7
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