Amanda’s dog eats 12 1/2 pounds of dog food in 3 weeks. How much does Amanda's dog eat each day? Leave your answer as a fraction.

Answer- 25/6 or 4 1/6

Work:

1. change the mixed number 12 1/2 to a fraction — 25/2

2. We can put 3 as a fraction by placing a 1 under it.

3. Now the equation looks like:
25/2 divided by 3/1

4. Remember when you divide fractions you change the sign to multiplication and flip your second term.

5. The equation now looks like:
25/2 x 1/3

6. Multiple across to get 25/6

7. The answer is 25/6 or you can write it as a mixed number 4 1/6

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's