israelgoodwyn072
Answered

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Find the mistake in this student's work. Identify the first step containing wrong information, then solve the problem correctly.


a. Which step is the FIRST step to contain incorrect information?

b. What should the correct answer actually be?

Sagot :

facundo3141592

The first mistake is in step 1, where the "15" shouldn't be in the denominator. And the correct solution of the given expression is 76

Where is the mistake in the student's work?

In the comments of the question you wrote that the steps are:

I assume the original equation is something like:

1 + 45/3*5

  • Step 1:  1 + 45/15
  • Step 2:  1 + 3
  • Step 3:  4

Now, the original equation is:

"1 divided by 45, divided by 3, times 5".

And in step 1 you take the product as it was in the denominator, it actually should be solved from left to right, then:

1 + 45/3*5

1 + (45/3)*5

1 + 15*5

1 + 75  = 76

That should be the solution to the given expression.

If you want to learn more about algebraic expressions:

https://brainly.com/question/4344214

#SPJ1

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