118k views
1 vote
Leah keeps ducks and buffalo in their farm and there are 35 animals with a total if 110 legs. How many ducks and buffalo are there?​

2 Answers

7 votes


{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: }

User Mahmoud Taghinia
by
8.0k points
3 votes

GIVEN :

  • 35 animals
  • 110 legs

TO FIND :

  • the number of ducks and buffalo are there.

OPTIONS :

(A) 20 ducks, 15 buffalo

(B) 15 ducks, 20 buffalo

CASE (i) - 20 ducks, 15 buffalo

= 20·2 + 15·4

= 40 + 60

= 100

CASE (ii) - 15 ducks, 20 buffalo

= 15·2 + 20·4

= 30 + 80

= 110

FINAL ANSWER :

Therefore, the number of ducks are 15 and 20 buffalo.

User Michael Kanzieper
by
7.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.