Answer:
$ 391
Explanation:
It is mention in question that Mrs. Hollern earn 8.5% as commission for every piece of Necklace she sells
Now she sells a necklace cost $ 4,600.
so as per her commission she will take 8.5% of total necklace cost
Thus she will take 8.5 % of $4,600
I.e
![(8.5*4600)/(100)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/zb1m1bd2otu98xj4ijhdjt1prvvxaz6xtq.png)
Or,
![(39100)/(100)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/wkm20vtbtozud7ttmphqwrgxpycpmt66cb.png)
Or, $ 391
So it is found that she will get $391 as commission .