Which word phrase can be used to represent the algebraic expression 4(21+n)
4 times the sum of 21 and a number n
The word phrase that can represent the algebraic expression 4(21+n) is "four times the sum of twenty-one and a number n."
To find a word phrase that represents the algebraic expression 4(21+n), we can follow these steps:
1. Simplify the expression inside the parentheses (21+n) first. In this case, we have "21 + n".
2. Now, multiply the simplified expression by 4. The product of 4 and "21 + n" can be found by distributing 4 to each term inside the parentheses. This gives us: 4 * 21 + 4 * n.
3. Finally, simplify each term: 4 * 21 is equal to 84, and 4 * n is equal to 4n.
Putting it all together, the word phrase that represents the algebraic expression 4(21+n) is "four times the sum of twenty-one and a number n".