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Question
primary 5 | Maths
| Whole Numbers
2 Answers Below
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Date Posted: 4 years ago
Views: 695
Every cow has 4 legs. Every duck has 2 legs.
Since there are 3 times as many ducks as cows, we group each cow with 3 ducks.
In one group, there are 3 ducks so they have a total of 3 x 2 legs = 6 legs. The 1 cow has 4 legs.
So total number of legs in one group is 4 + 6 = 10
Since there are 400 legs in total,
400 ÷ 10 = 40
There are 40 groups.
Since there are 4 animals per group (1 cow and 3 ducks),
Total number of animals
= 40 x 4
= 160
Since there are 3 times as many ducks as cows, we group each cow with 3 ducks.
In one group, there are 3 ducks so they have a total of 3 x 2 legs = 6 legs. The 1 cow has 4 legs.
So total number of legs in one group is 4 + 6 = 10
Since there are 400 legs in total,
400 ÷ 10 = 40
There are 40 groups.
Since there are 4 animals per group (1 cow and 3 ducks),
Total number of animals
= 40 x 4
= 160
Thank you very much for your help
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Hope this helps!
Date Posted:
4 years ago
Thank you
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The answer is 160
Date Posted:
4 years ago
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