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olchik [2.2K]
3 years ago
14

Rebecca buy some scarves that cost five dollars each and two purses that cost 12 each The cost Rebecca’s total purchase is $39 w

hich equation can be used to find in the number of scarves that Rebecca buys
A. 5+24n=39
B.5+24=39
C. (24+5)n=39
D.24•5+n=39 ?
Mathematics
1 answer:
Fittoniya [83]3 years ago
4 0

Answer:

d.

Step-by-step explanation:

First, you want to add together the amount of money she spent on purses ($24), and then consider the amount of scarves (5+n). To solve, you would subtract 24 from 39, and then divide that answer by 5

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N − 2/3 = 25 3/4 help now
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Answer:

26 5/12

Step-by-step explanation:

n − 2/3 = 25 3/4                            Add 2/3 to both sides

n - 2/3 + 2/3 = 25 3/4 + 2/3         Combine

n = 25 3/4 + 2/3

Work with the fractions

3/4 + 2/3                                      The lowest common denominator is 12

(3*3)/(3*4) = 9 / 12

(2*4)/(3*4) = 8/ 12

9/12 + 8/12 = 17/12 = 1 5/12

Now you need to add 1 to 25

1 + 25 = 26

And add the fraction 5/12

The answer is 26 5/12

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The United States Air Force has 19 women for every 81 men enlisted. If a squadron has 750 members, approximately how many are wo
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Mary spent half of her allowance going to the movies. She washed the family car and earned seven dollars. What is her weekly all
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Answer:If Mary spent half of her allowance the equation will begin with 1/2x or 0.5x where x is her allowance and 0.5 is half of her allowance spent. Mary also earned 7 dollars by washing the car so this will be added to her allowance spent.

The problem says that after Mary has spent half of her allowance at the movies she was left with 18 dollars so that means that the equation must be equal to 18.

The equation you want to set up is

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Where, 18-7=11

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x = $22

Thus, Mary has a weekly allowance of 22 dollars.

Step-by-step explanation:

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3 years ago
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