Which of the following represents "five times the sum of a number and fifteen is fifty"?
a) 5(n + 15) = 50
b) 5n + 15n = 50
c) 5n + 15 = 50

Option A is correct i.e., 5 × ( N + 15 ) = 50

Step-by-step explanation:

Given Statement is "Five times the sum of a number and fifteen is fifty"

To find: Expressions for given statement

Let the number be x

Then expression for " sum of a number and 15

⇒ x + 15

And Five time of it means five is multiplied with result of addition.

⇒ 5 × ( x + 15 )

Now result of product is equal to 50

⇒ 5 × ( x + 15 ) = 50

So by comparing it with given options if variable is N

then

Option A is correct i.e., 5 × ( N + 15 ) = 50

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