Ok last week she walked 18/6 which equals 3 and 3 is less than 2.5. 2.5h is really just that times how many hours.D is the amount of miles.So,the awnser is going to be b or d.But we dont know what d is in d=2,5h so we have to asume that b is the awnser
The unknown digit is 5.724
you multiply the commission by her sales and get 25.20$ then add that to her bae pay of 280 a week and get 305.20$ as your answer.
Let's name all the purchases "x"
so

of them were stuffed animals, and out of that

were bears.
to get the results we have to multiply the fraction of bears by the fraction of the stuff animals:

.
and now we simplify:

=

and this is the answer!