Patricia decides to buy a pair of boots for $95.00. She was willing to pay $105.00. When her friend Cecilia sees the boots, she loves them and thinks they are worth $190.00. So she offers Patricia $150.00 for the boots, and Patricia accepts. Patricia and Cecilia are both thrilled with the exchange. The total surplus received by both Patricia and Cecilia is $

Suppose that Patricia purchased the boots from Marie’s Boutique. Marie and other boutique owners in town are upset that customers like Patricia buy boots at their stores, and then resell them for a higher price. Marie and the other owners convince the city government to pass a law preventing such resale. Assuming the law is successful, how much surplus is lost if Patricia cannot sell the boots to Cecilia? $

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uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -