Whats a decimal between 16.4 and 16.5

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?