Mathematics wide-angle exercises in the fourth grade of primary school - Training Enrollment Network

Mathematics wide-angle exercises in the fourth grade of primary school

Solution: Suppose there are X chickens, then there are (18-x) rabbits.

According to the meaning of the question:

2x+4( 18-x)=42

To solve this equation:

x= 15

18-x=3

A: There are 15 chickens and 3 rabbits.

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