Question

Which equation has a solution of 2/3 for n?

Answer 1

2 and 4

Explanation:

Try out 2/3 in each equation.

1. 2/3 + 12 120

12 2/3 120 is not true, so its not this one

2. 2/3 + 12
`\leq` 120

12 2/3
`\leq` 120 is true, so this one works!

3. 12*2/3
`\geq \\` 120

8
`\geq` 120 is not true, so this one doesn't work

4. 12 * 2/3
`\leq` 120

8
`\leq` 120 is true, so this one works

Answer 2

the 2nd one

Explanation:

just substitue values.