math
posted by john .
Write a variable expression for each word phrase.
1. two times the number of windows
2. 81 increased by n
3.eleven more than a number
$15 times the number of hours

1. two times the number of windows
2. 81 increased by n
3.eleven more than a number
4. $15 times the number of hours 
1,
2w
2.
81 + n
I'll be glad to check your answers for the other two problems. 
thank you

You're welcome.

3. x + 11
4. H x 15 
Right.
4 can also be written:
15h 
thank you , Ms.Sue

You're welcome, John.