126 1/4 - 78 2/3 = ?
turn into mixed fractions
504/4 - 236/3 =?
find the least common denominator
1512/12 - 944/12 = ?
subtract
568/12
turn into improper fraction
47 1/3
The difference <span>between 126 1/4 and 78 2/3 is 47 1/3</span>
Answer:
Hazel will have knitted 25 centimeters of the scarf
SOLUTION
Problem Statement
We are told Hazel knits 5 centimeters of scarf every night for 5 nights. We are required to find the length of the scarf Hazel will have knitted after 5 nights.
Solution
We are told Hazel makes 5 centimeters of scarf every night. Thus, for each night up till 5 nights, we just need to add the length of scarf Hazel has made.
Let us count for each night.
Night 1:
Hazel makes 5 centimeters of the scarf.
Night 2:
Hazel makes extra 5 centimeters, which means she has made:

Night 3:
Hazel makes extra 5 centimeters, which means she has made:

NIght 4:
Hazel makes extra 5 centimeters, which means she has made:

NIght 5:
Hazel makes extra 5 centimeters, which means she has made:

Final Answer
Thus, Hazel will have knitted 25 centimeters of the scarf
12
2 multiplied by 6 is 12 and so 1 multiplied by something is 12
Hope this helps.
D because you need to make the denominators have a common multiple.
We know:

We have

Substitute:


Only 4 and 10 meet the requirements of the question.
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40 and 1 NOT, because 40 > 12
20 and 2 NOT, because 20 > 12
5 and 8 NOT because GCF(5, 8) = 1