Question 760671
1) First find how many times 45000 can fit in 51000, since it fits in only 1 time the left over (51000-45000)is 6000
2)Next Plug the numbers into the commission formula which is (%of commission*total sales= commission). 45000*0.06=2700 the leftover commission is 
6000*0.08=480
3)add both commissions together to find the total commission. 480+2700=3180
 Answer: Sally earned 3180.