The revenue function for a school group selling n bookmarks is given by R(n)=2n, and the total cost function is given by C(n)=144+0.80n. Determine the number of bookmarks that need to be sold for the school group to break even. Plz help me!!

Question

The revenue function for a school group selling n bookmarks is given by R(n)=2n, and the total cost function is given by C(n)=144+0.80n. Determine the number of bookmarks that need to be sold for the school group to break even.   Plz help me!!

anonymous · Answer

I think it's 2n=144+0.80n @xGuardians ???

xguardians · Answer

What is the cost that they have to break even ? 144?

xguardians · Answer

@plzhelpMe1111

anonymous · Answer

If so.. 2-0.80 = 1.2
144/1.2 = 120 
n=120

xguardians · Answer

@Shay17 Yep, goodjob!
@plzhelpMe1111 Shay has your answer!