What Divided by 5 Equals 99?
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 5, equals 99?
Solving What Divided by 5 Equals 99
Here’s how you would set up this question as an equation:
x
5
=
99
\frac{x}{5} = 99
5 x = 99
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 5, resulting in this equation:
x
=
99
∗
5
x = 99*5
x = 99 ∗ 5
Then we simplify and find our answer:
x
=
495
x = 495
x = 495
So, the answer to the question “What divided by 5 equals 99?” is 495.To prove this, we can take the original problem:
x
5
=
99
\frac{x}{5} = 99
5 x = 99
And insert 495 in the place of x:
495
5
=
99
\frac{495}{5} = 99
5 495 = 99
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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49 divided by what equals 12?
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