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gulaghasi [49]
3 years ago
9

At McDonalds,a cheeseburger has 200 fewer calories than a large fries.Two cheeseburgers and a large fries have 1100 calories.How

many calories are in each item?
Mathematics
1 answer:
garik1379 [7]3 years ago
8 0
The fries are 500 calories and each burger is 300 calories. 500+300+300=1100
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zaharov [31]
The 3 inches long is the right answer
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Ben walks 2 m from his desk to the teacher's desk. From the teacher's desk, he then walks 3 m in the same direction to the class
elena55 [62]
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the ratio of boys to girls in janices classroom is 3:5, and there are a total of 32 students in the class, help plss​
svetoff [14.1K]

9514 1404 393

Answer:

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  • 20 girls

Step-by-step explanation:

The total number of students (32) corresponds to the total number of ratio units (3+5 = 8), so each ratio unit represents 32/8 = 4 students.

The 3 ratio units representing boys will stand for 3×4 = 12 boys.

The 5 ratio units representing girls will stand for 5×4 = 20 girls.

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<em>Additional comment</em>

I find the above solution to be the easiest.

You can also write a system of equations. Let b and g represent the numbers of boys and girls, respectively.

  b/g = 3/5

  b +g = 32

Multiplying the first equation by g gives an expression for b that can be substituted into the second equation:

  b = (3/5)g

  (3/5)g +g = 32

  8/5g = 32 . . . . . . . . . . . . . . . . . collect terms

  g = (5/8)(32) = 5·4 = 20 . . . . . . multiply by 5/8

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5 0
2 years ago
Write the expression 12 × 42 in words.
liq [111]
First you rewrite the multiplication problem up and down and then you multiply 2 x2 then 2 x1 then drop a zero then multiply 4 x2 then 4 x 1 and then add it together and get your answer which is 504
3 0
3 years ago
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-324/18<br> Plz show all the steps of how you got the answer.
kodGreya [7K]

Answer:

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Step-by-step explanation:

Step 1 - divide the numerator and denominator by 18

-324÷18 / 18÷18

Step 2 - divide the numbers

-18 / 18÷18  

-18/1

any expression divided by 1 remains the same

-18

4 0
2 years ago
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