Trying to help my daughter with math her paper is called act it out and use logical reasoning
2 answers:
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Answer:
r=56
Step-by-step explanation:
Since, r divided by 8 gives 7, if you do the inverse function(which is basically like the reverse of the question)
you can multiply 8 and 7 to find the r.
So 8 times 7 gives 56.
And to check you can do
which gives 7
You can tell me if my explanation is wrong. Thanks
Answer:
The only equation which is incorrect is in option B.
Step-by-step explanation:
Eva used the following equation in order to solving integers, which is
⇒ ......... (1)
Now, if the equation Ava used is correct, then we have to find which of the given equations is not correct.
Now, in option A) it is given that
⇒ which is same as equation (1).
In option B) it is given that
⇒ which is not same as equation (1).
In option C) it is given that
⇒ which is same as equation (1).
Again, in option D) it is given that
⇒ which is same as equation (1).
Therefore, the only equation which is incorrect is in option B. (Answer)