7. Alan has 20 ducks and goats on his backyard. The animals have 64 legs altogether, how many ducks andgoats are there?

Answered: Image /qna-images/answer/7ad95237-1b80-49b0-b2b1-e4d7ed5e46fa.jpg

Answered: 7. Alan has 20 ducks and goats on his…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.6: Permutations And Combinations

Problem 5SC: In how many ways can 5 people stand in a line if one person demands to be first?

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7. Alan has 20 ducks and goats on his backyard. The animals have 64 legs altogether, how many ducks and goats are there?