There are 17 animals in the barn. Some are ducks and some are sheep. There are 48 legs in all. How many of each animal arr there?

Question

Mathematics

Smith

18 May, 08:03

There are 17 animals in the barn. Some are ducks and some are sheep. There are 48 legs in all. How many of each animal arr there?

+5

Answers (1)

Know the Answer?

Valeria Moyer · Answer 1

x=10, y=7

Step-by-step explanation:

x + y = 17

we know that ducks has 2 feet and sheep has 4 feet.

so, 2x + 4y = 48

x = 17 - y

2 (17-y) + 4y = 48

34 - 2y + 4y = 48

2y = 48 - 3 4

2y = 1 4

y=7

x + 7 = 17

x = 17-7

x=10