Question

Translate the following phrase to an expression: the product of a number and 2.

Evaluate the expression for n = 18

n + 2; 20
2 n; 36
n ÷ 2; 9
18 n; 36

Answer 1

2 n; 36

Explanation:

Let the number be n

The product of a number, n and 2 when n = 18

= 2*n

= 2 * 18

=36

Answer 2

2 n; 36

Explanation:

The product of a number and 2 is 2n. When you substitute 18 for n, the solution is 2(18) or 36