Error in math problem in official ACT booklet?

nina1228
Sat, 08 Oct 2011 08:50:55 +0000

This isn’t a math problem, but can any one explain the answers to #29 and #73 in the English section? The lack of explanations in this book annoy me.

For the record, I put the following answers:

29: B

73: D

Which are both incorrect.