A few days ago
Three ducks and two ducklings weigh 32 kg. Four ducks and three ducklings weigh 44kg.?
All ducks weigh the same and all ducklings weigh the same. What is the weight of two ducks and one duckling?
Top 2 Answers
A few days ago
Favorite Answer
Given: Let D = the weight of one duck
d = the weight of one duckling
Solve: (3D + 2d = 32)*3 —-> 9D + 6d = 96
(4D + 3d = 44)*2 ——> 8D + 6d = 88
______________
1D + 0d = 8 —–> D = 8
Substitute to solve for d:
4D + 3d = 44
4(8) + 3d = 44
32 + 3d = 44
3d = 12
d = 4
Thus,
2D + d = 2(8) + 4 = 20 kgs.
3
A few days ago
Mitch…. is this your homework???
Tsk tsk… you’re being a bad bad girl!!!
0
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