Sep 14, 2018 #1 Yazan975 Messages 30 Reaction score 0 View attachment 8405 Q7, b is where I got stuck Attachments Screen Shot 2018-09-14 at 3.20.16 PM-min.png 28.9 KB · Views: 115
Sep 14, 2018 #2 kaliprasad Gold Member MHB Messages 1,333 Reaction score 0 We need to solve for it when C= F. so replace C with F or F with C in the equation and solve for it.