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allochka39001 [22]
3 years ago
10

Maria ganha R$32,00 de mesada. Esse mês já gastou 3/8 de sua mesada. Quanto Maria já gastou? E quanto ainda tem?

Mathematics
1 answer:
frozen [14]3 years ago
7 0

Answer:

Ella gastó 12 dólares y le quedan 20 dólares.

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Solving rational equations<br><br> solve for x: 3/x-4=7/x
KIM [24]

Solving the rational equation \frac{3}{x-4}=\frac{7}{x} the value of x is 7

Step-by-step explanation:

We need to solve rational equation: \frac{3}{x-4}=\frac{7}{x} and find value of x.

Solving:

\frac{3}{x-4}=\frac{7}{x}

Cross multiplying:

3(x)=7(x-4)\\Simplifying:\\3x=7x-28\\3x-7x=-28\\-4x=-28\\x=-28/-4\\x=7

So, value of x = 7.

Solving the rational equation \frac{3}{x-4}=\frac{7}{x} the value of x is 7

Keywords: Solving the rational equation

Learn more about Solving the rational equation at:

  • brainly.com/question/13168205
  • brainly.com/question/1757979
  • brainly.com/question/2456302

#learnwithBrainly

8 0
3 years ago
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Ve, Carpet sells for $36 per square yard. How much will 8 square yards cost?​
grandymaker [24]

Answer:

$288

Step-by-step explanation:

If each square yard of carpet is $36, you just have to multiply 8 by that to get the total.

4 0
3 years ago
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