A poster is to have an area of 170 in2 with 2 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

Answer 1

printed area= (L-5)(w-4)
where LW=170
or L= 170/W

printed area= (170/W -5)(W-4)
take the derivative, set equal to zero, solve.

Answer 2

i got 7.7 for width
and 9.5 for length?

does this sound right

Answer 3

I didn't do calcs, but is sounds right.

Answer 4

r u kidding me u didn't do calculus!!!!!!!!!!!!!!!!!!!!!!!! then why on earth r u typing on the forum that like a eight year 13 kid trying to give advice to a new driver!!!!!!!!!!!!!!

Answer 5

He means he didn't do "calculations"...

Answer 6

Where did you get the (L-5) and the (W-4)?

Answer 7

oug;iu7gt