In the survey of 320 person it was found that 210took milk, 72 coffee, 42 coffee and milk if no people to tea and coffee both and 20 did not take any of these three drink .Find the number of people taking tea and milk, milk only ,
at least one of the drink

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct