Total of $855 in a week

Question

Tito recieves a weekly salary of $400 at an appliance store. He also recieves a 7% commission on the total dollar amount of sales he makes. What must his totals sales be ina week if he is to make a total of $855

Answer 1

S = his sales for the week

 

7% of S is 0.07S

 

$855 = $400 + 0.07S

 

Solve for S and get

 

S = ($855 - $400)/0.07 = $6500

 

His sales must be $6500.