Diane, John, and Hans sent a total of 135 text messages during the weekend. John sent 9 more messages than Diane. Hans sent 4 times as many messages as Diane. How many messages did they each send
+538 D= Diane's # of texts
D+9=John
4D=Hans
D+D+9+4D=6D+9
6D+9=135
6D=126
D=21
Diane sent 21 messages, John sent 30, and Hans sent 84.
