Which expression represents 7 times the sum of a number and 8?
The expression that represents 7 times the sum of a number and 8 is 7(n + 8), where "n" represents the number.
To represent 7 times the sum of a number and 8, we can use the following expression:
7(x + 8)
In this expression, "x" represents the unknown number. We first add 8 to "x" to find the sum of the number and 8, and then multiply the sum by 7 to get 7 times the sum.