Mr. Jones' salary is $4,800 per month. After his raise, he earned $6,000 per month. By what percent did his salary increase?

25%

Step-by-step explanation:

The difference between his salary before and after the raise is 1200. 1200 is 25% of his salary before the raise, so it is a raise of 25%.

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are