Hello there, and thank you for posting your question here on brainly.
#37 It is C. because you don't divide fractions, you take the second fraction (2/3) and multiply.
(1/2 * 3/2 ==> 3/4)
#38 There are 3 199x half dollars, and there are 10 in total.
Into ratio form is 3:10
The answer is A.
Hope this helped!! ☺♥
