IF 20 UNITS OF A GOOD ARE SOLD AT A PRICE OF $50 AND 30 UNITS ARE SOLD AT PRICE OF $40, WHAT IS THE… Show more IF 20 UNITS OF A GOOD ARE SOLD AT A PRICE OF $50 AND 30 UNITS ARE SOLD AT PRICE OF $40, WHAT IS THE ABSOLUTE VALUE OF THE PRICE ELASTICITY OF DEMAND? USE THE MIDPOINT FORMULA. • Show less