Ineed a step by step explanation of how to do this problem mentally and quickly:
7 3/4- 1 2/7 - 3/2

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Pls brainliest will be awarded if answer is correct