The price of a book increased from $20 to $25. what is the markup rate?

20%

25%

3%

5%

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What are “like terms”? why can we only add like terms?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.