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Samantha wanted to fill her new fish tank with goldfish and guppies. She bought 26 total fish. Each goldfish cost $3, and each guppy cost $4. She spent $86 total. How many guppies did she buy?.

Sagot :

Michell96idn

Samantha bought 8 guppies and 18 goldfish.

How to find out how many guppies Samantha bought?

To know how many guppies Samantha bought, we must take into account the information we know and perform the following operations:

  • x + y = 26x = 26 - y

The above operation allows us to express how many fish of each species Samantha bought.

  • 3x + 4y = 86
  • 3(26 - y) + 4y = 86
  • 78 - 3y + 4y = 86

The previous operation allows us to express the amount of fish of species X and Y that Samantha bought to spend $86.

  • y = 86 - 78
  • y = 8

  • x = 26 - 8
  • x = 18

Based on the above, we can infer that Samantha bought 8 guppy fish.

Note: This question is incomplete because the options are missing. Here are the options:

  • A. 4
  • B. 7
  • C. 8
  • D. 16

Learn more about equations in: https://brainly.com/question/2263981

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