I don’t understand your question
Answer:
USE A COMMA TO SEPARATE INDEPENDENT CLAUSES. ...
USE A COMMA AFTER AN INTRODUCTORY CLAUSE OR PHRASE. ...
USE A COMMA BETWEEN ALL ITEMS IN A SERIES. ...
USE COMMAS TO SET OFF NONRESTRICTIVE CLAUSES. ...
USE A COMMA TO SET OFF APPOSITIVES. ...
USE A COMMA TO INDICATE DIRECT ADDRESS.
Explanation:
so u would answer it like this car =50MILES PER HOUR AND IN 30 MINUTES SPEEDS UP = 70 MPH U WANT TO FIND OUT IN THE 30 MINUTES HOW DID IT GO TO 50 TO 70 SO YOU 50+?=70
Answer:
prepared a complete topic on words