Question

A farmer owns a total of 20 ducks and lambs.
The ducks and lambs have 64 legs altogether.
How many lambs are there?

Answer 1

Step-by-step explanation:

there are 16 ducks and 8 lambs altogether

Total legs= 64

duck legs=2

therefore, no.of ducks= 64÷2 = 32

lamb legs= 4

therefore, no.of lambs=32÷4 = 8

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Answer 2

Answer:

6 lambs

Step-by-step explanation:

20 ducks = 20×2=40 legs

64-40 legs =24 legs left for the lambs

each lamb has 4 legs

thus, 24÷4 =6

so, there are 6 lambs