469,588 views
15 votes
15 votes
Por 9 libros se paga $72 Cuánto se pagará por 5 libros iguales​

User Sathish Ramani
by
3.0k points

2 Answers

8 votes
8 votes

Answer:

Pagará:

$40

Step-by-step explanation:

Por regla de tres:

9 libros son a $72

5 libros son a $B

B = $72*5libros/9libros

B = $40

User Pconnell
by
3.0k points
21 votes
21 votes
Se pagará $40

72/9=8
5 por 8 es 40.

Espero que esto ayude
User Shmn
by
2.5k points