Question

A galvanized iron sheet 64cm wide is to be bent to form a gutter by turning up vertical strips along each side. How many cm should be turned up at each side in order to give a gutter with the maximum cross-sectional area?

Answer 1

you have to form an equation using the perimeter of a rectangle

Answer 2

also a formula for the area of a rectangle.
Please show me what you did using draw.I have problem with the equation button.

Answer 3

My equation is P=2x+2y

Answer 4

what is P?

Answer 5

value of P i mean