Hey! The answer is: 0.56, 0.65, 4.56 ! Have a great day, bud!
→ Y = 3x + 4
→ Y = 3x + 4
→ Y = 7x
Hence, Value of Y = 7x
This process can only be done when we're using the way for linear equation (Shifting both sides) [Each value)..
They must sell 250 cameras
and 50 more cameras would be a $400 profit
29/4 hopes this help sorry if I’m wrong