I NEED HELP ON THIS FRACTION QUESTION PLZ that will be very kind if u do and iff correct it get brainless

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Hi, can anyone show me how to do this problem? 100 points for this. in advance