the track consists of a rectangular area and two semi-circular areas. The area of a rectangular part of the track is 32,000 square yards. The length of the shorter side of the track is 160 yards. Using 3.14 for pi, the approximate perimeter of the track is?

answer: there are 453.592 grams in a pound.

i think that you should ask google for the answer to that problem because if we don't know it google does

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.