Keala is making a new book cover before giving their favorite picture book to their little brother. The cover is 2241cm tall. It has a rectangular shape and an area of 890cm2. How wide across is Keala's book cover?□cm
Q. Keala is making a new book cover before giving their favorite picture book to their little brother. The cover is 2241cm tall. It has a rectangular shape and an area of 890cm2. How wide across is Keala's book cover?□cm
Define width: Let w be the width of the book cover.Area of a rectangle is given by the formula Area=length×width.
Calculate area: Given area of the book cover: 890cm2. Given length of the book cover: 2241cm or 22.25cm. Substitute the given values into the area formula. 890=22.25×w
Substitute values: Solve for w.w=22.25890w=40cm
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