What Divided by 91 Equals 5?
Methods
Setting up the problem:
In a problem like this, the “what” means that we’re working with a variable. The most common variable used in math is “x”. So, we could say what number, x, when divided by 91, equals 5?
Solving What Divided by 91 Equals 5
Here’s how you would set up this question as an equation:
x
91
=
5
\frac{x}{91} = 5
91 x = 5
The goal of the problem is to solve for x. To do this we need to change the equation so that x is alone on one side of the equation.In this case, we can do that by multiplying both sides of the equation by 91, resulting in this equation:
x
=
5
∗
91
x = 5*91
x = 5 ∗ 91
Then we simplify and find our answer:
x
=
455
x = 455
x = 455
So, the answer to the question “What divided by 91 equals 5?” is 455.To prove this, we can take the original problem:
x
91
=
5
\frac{x}{91} = 5
91 x = 5
And insert 455 in the place of x:
455
91
=
5
\frac{455}{91} = 5
91 455 = 5
Because this is true, the answer must be correct.
Practice Other Division Problems Like This One
If this problem was a little difficult or you want to practice your skills on another one, give it a go on any one of these too!
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57 divided by what equals 88?
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