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ddd [48]
4 years ago
11

Simone saved $65.35 more than her brother Dan and $37.50 less than her sister Carly. Carly saved $127.75. Write and solve equati

ons to find how much Simone and Dan saved.
Mathematics
1 answer:
barxatty [35]4 years ago
3 0

Simone saved $90.25 and Dan saved $24.90

Step-by-step explanation:

Let,

Amount saved by Simone = x

Amount saved by Dan = y

Amount saved by Carly = z

Simone saved $65.35 more than her brother Dan

x = y + 65.35    Eqn 1

and $37.50 less than her sister Carly.

x = z - 37.50     Eqn 2

Carly saved $127.75

z = 127.75      Eqn 3

Putting value of z from Eqn 3 in Eqn 2

x = 127.75-37.50\\x=90.25

Putting x=90.25 in Eqn 1

90.25=y+65.35\\90.25-65.35=y\\24.90=y\\y=24.90

Simone saved $90.25 and Dan saved $24.90

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/116167
  • brainly.com/question/116715

#LearnwithBrainly

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The degree of the polynomial is 4.

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I hope this helps.
5 0
3 years ago
Paula has a dog that weighs 3 times as much as Carla's dog. The total weight of the dogs is 48 pounds. How much does Paula's dog
spayn [35]
Let the weight of Paula's dog be x
Let the weight of Carla's dog be y

We know that the weight of Paula's dog is 3 times that of Carla's dog, therefore:
x = 3y ...........> equation I

We also know that the sum of the weights is 48 pounds, therefore:
x + y = 48 ............> equation II

Substitute with equation I in equation II:
3y + y = 48
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Substitute with the value of y in equation I:
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Based on the above calculations:
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6 0
4 years ago
In a recent international sport competition, the top 3 countries— Country A, Country B, and Country C— won a total of 134 medals
vlada-n [284]

Answer:

Country A = 85, Country B = 29, Country C = 20

Step-by-step explanation:

A+B+C=134 ----- eq(1)

B=C+9 ------------ eq(2)

A=36+B+C ------ eq(3)

By substituting eq(2) in eq(3), we get:

A=36+C+9+C

A=2C+45 ------- eq(4)

Now substituting eq(2) & eq(4) in eq(1), we get

2C+45+C+9+C=134

4C+54=134

4C=134-54

4C=80

C=20

Now putting the value of C in eq(2),

B=20+9

B=29

Substituting the value of B & C in eq(1), we get:

A+29+20=134

A+49=134

A=134-49

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Answer:

D

Step-by-step explanation:

6/12+8/12+9/12=23/12=1 11/12

5 0
3 years ago
Read 2 more answers
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