Mary Robertson sells tires at a large car service center. She earns 10% commission on the first $1,000, 15% on the next $2,000, and 20% on sales of more than $3,000. Last week she sold $3,400 worth of tires. What was her total commission?

Question

anonymous · Answer

in first week,her commission is=10%=$100
    second week, ................. .=15%=$300
    third week,   .....................=>20%=>$600
      last week,.......................  .=$3400

so, total comission is=>$4400