Find the length of a rectangular work area if the perimeter is 64 in. and the width is 9 inches. Use the formula P = 2(l + w).
A)46 in.
B)23 in.
C)7.1 in.
D)55 in.

Question

Quizplus · Accepted Answer

The formula for the perimeter of a rectangle is P = 2(l + w), where P is the perimeter, l is the length, and w is the width. Given P = 64 inches and w = 9 inches, we can solve for l: 64 = 2(l + 9). Dividing both sides by 2 gives 32 = l + 9. Subtracting 9 from both sides gives l = 23 inches.

Find the Length of a Rectangular Work Area If the Perimeter