How many liters are equal to 39 kl?
how many milligrams are equal to 4 cg?
and:
use the common denominator to compare the fractions.
9/10 or 2/3
5/8 or 3/5
2/3 or 5/6
4/14 or 2/7
4/5 or 4/10
6/8 or 5/6
: )

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?