Arectangular room that is 3 feet longer than it is wide has area of 54 square feet how many feet long is the room

The room is 9 feet long.

Step-by-step explanation:

Lets take the width of the room as feet.

Then, the length of the room will be feet.

Are of a rectangle = Length * Width

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Thefore either,

                 or              

                    or              

is the width of the room, so a width cannot have a negative value. So we take the positive value.

Therefore,

⇒ Width of the room is 6 feet.

Length of the room = = =9 feet.

Therefore the room is 9 feet long.

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!