5/22 is the fraction of girls to boys and as a decimal it is 2.3 rounded and not rounded is 2.27 repeated.
By iteratively substituting, we have



and the pattern continues down to the first term
,



Recall the formulas


It follows that



Answer:
D
Step-by-step explanation:
You have the correct answer.
Hmm, 3 shirts cost $84 all together 84 divided by 3 is 28. 28+28+28=84. Each shirt had to be $28 to equal $84 for the final price. Hope this was right!