A salesperson earns 900 dollars per month plus a 10% commission on all sales over 1,000 dollars. One month she sells r dollars's worth of merchandise where r$1,000. How many dollars does she earn that month?
A. 800+.1r
B. 800-.1r
C. 900+1r
D. 900-.1r
E. 810+.1r

Question

A salesperson earns 900 dollars per month plus a 10% commission on all sales over 1,000 dollars. One month she sells r dollars's worth of merchandise where r>$1,000. How many dollars does she earn that month? 
A. 800+.1r
B. 800-.1r
C. 900+1r
D. 900-.1r
E. 810+.1r

anonymous · Answer

It would be 900$ + .1 because her salary is 900$ plus 10% or .1 from sales over 1000 dollars which is r

anonymous · Answer

but it is not in the choices, that is why i put it up here