If I like your work I will increase your salary by twice.

[tufguy]

1) If I like your work, I will increase your salary by twice.

2) If I like your work, I will increase your salary by hundred dollars.

3) If I like your work, I will increase your salary twice as much as you are getting now.

Please check my sentences.

 

[emsr2d2]

Try to rewrite 1 and 3 using the verb "double". The resulting sentences should be much shorter than your originals.
2 is missing an article.

 

[tufguy]

Try to rewrite 1 and 3 using the verb "double". The resulting sentences should be much shorter than your originals.
2 is missing an article.

1) If I like your work, I will double your salary.

2) If I like your work, I will increase your salary by a hundred dollars.

3) If I like your work, I will double the salary you are getting now.

 

[GoesStation]

1) If I like your work, I will double your salary.

2) If I like your work, I will increase your salary by a hundred dollars.

3) If I like your work, I will double the salary you are getting now.

Well done. They're all OK.

There's little reason for the manager to pick number 3. Number 1 says the same thing with 71% as many words.