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Sagot :
First we have to find total mass of flour.
4*3.5kg=14kg
Now we are calculating how much flour we used for muffins
475g=0.475kg
0.475kg*4muffins=1.9kg
and now how much flour we used for bread
0.65kg*5bread=3.25kg
Finally we can subtract 1.9 and 3.25 from 14kg
14kg-1.9kg-3.25=8.85kg - its the answer
4*3.5kg=14kg
Now we are calculating how much flour we used for muffins
475g=0.475kg
0.475kg*4muffins=1.9kg
and now how much flour we used for bread
0.65kg*5bread=3.25kg
Finally we can subtract 1.9 and 3.25 from 14kg
14kg-1.9kg-3.25=8.85kg - its the answer
The left out amount of floor is [tex]\boxed{\bf8.85\,\,{\text{kilogram}}}[/tex].
Further explanation:
The weight of one bag of flour is 3.5 kg.
The bakery bought 4 bags of flour.
Therefore, the total weight of 4 bags is calculated as follows:
[tex]4\times\left({3.5\,\,{\text{kg}}}\right)=14\,\,{\text{kg}}[/tex]
The weight of flour needed for a batch of muffins is 0.475 kg.
Therefore, the weight of flour needed for 4 batches of muffins is calculated as follows:
[tex]4\times\left({0.475\,\,{\text{kg}}} \right)=1.9\,\,{\text{kg}}[/tex]
The weight of flour needed for a loaf of bread is 0.65 kg.
Therefore, the weight of flour needed for 5 loaves of bread is calculated as follows:
[tex]5\times\left( {0.65\,\,{\text{kg}}} \right)=3.25\,\,{\text{kg}}[/tex]
So, the total weight of floor used in the process of making muffins and loaves of bread is calculated as follows:
[tex]3.25\,\,{\text{kg+}}1.9\,\,{\text{kg}}=5.15\,\,{\text{kg}}[/tex]
Now, the weight of floor that is left out in the bag is calculated as follows:
[tex]14\,\,{\text{kg}}-5.15\,\,{\text{kg}}=8.85\,\,{\text{kg}}[/tex]
Thus, the left out amount of floor is [tex]\boxed{\bf8.85\,\,{\text{kilogram}}}[/tex].
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Answer details:
Grade: Middle School
Subject: Mathematics
Chapter: Basic Algebra
Keywords: Bakery, bags, flour, 3.5 kg, muffins, bread, loaf, loaves, kilograms, kg, share, subtract, equally, 8.85 kg, weight, bought
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