The area of a rectangle is 80ft square two. determine the length and width if the length is 5 times the width. Write the equation and solve.

1 answer

Online "^" is used to indicate an exponent, e.g., x^2 = x squared.

L = 5W

LW = 80

Substitute 5W for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.