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PLEASE HELP ME TO WORK OUT THESE PROBLEMS... (1) if r>t , r (a) r>0 and t (b) r>-1 and t © r (d) r1 (e) r>1 and t (2) if x and y are the integers such that 0 (a) xy (b) x>3 © x>4 (d) x+y=5 (e) x-y (3) if line segment AD has midpoint M1 and the line segment M1D has midpoint M2 ,what is the value of (M1D)/(AM2). (a)3/5 (b)2/3 ©1/3 (d)2/5 (e)1/2.

PLEASE HELP ME TO WORK OUT THESE PROBLEMS.. (1) in a far city 90% of thee population owns a cycle ,15% own a car and everybody owns a cycle or a car or both . what % of the population own a car but not a cycle? (a)10% (b)20% ©30% (d)40%