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Eighteen more than five times a number is 153. What is the number?

User Russia
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1 Answer

2 votes

Answer:


\huge\boxed{\texttt{The number is 27.}}

Explanation:

In order to find the number we need to set up an equation where we represent the unknown number as a variable. I'll call it
n.

5 times a number can be represented as
5n.

18 more than that can be represented as
5n+18.

We know it equals 153, so
5n+18=153.

We can solve for n by reversing the equation until we have n isolated on one side.

Subtract 18 from both sides:


5n=135

Divide both sides by 5:


n = 27

So our unknown number is 27.

Hope this helped!

User BilalReffas
by
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