A trader has purchased ball pens at the rate of Rs. 42 per dozen. If he sells each ball pen for Rs. 5, he gets
(A) profit of Rs. 8 (B) profit of Rs. 18 (C) loss of Rs. 18 (D) loss of Rs.8

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Indicate the formula for the following conditions: p^c(n,r)=