human
Keiko sent 111 text messages last week. This week she sent 50 less than double what she sent last week. How many text messages did Keiko send last week and this week combined?
assistant
How many text messages did Keiko send last week? ** Last week = 111 texts
How many text messages did Keiko send this week? ** This week = (2 * 111) - 50 = <<(2*111)-50=172>>172 texts
How many text messages did Keiko send in total? ** 111 + 172 = <<111+172=283>>283 texts
How many text messages did Keiko send last week and this week combined? ** Keiko sent 283 texts last week and this week combined.
#### 283