math
posted by Maria .
Tania is in charge of designing a school pennant for spirit week. She wants the base to be 3 1/2 feet and the height to be 6 1/2 feet. She has 20 square feet of paper available. Does she have enough paper? Explain.

A = 1/2bh
A = (1/2)(3.5)(6.5)
A = ?