*120 km/hThe average rainfall over a given placeduring the three-year

1.	*120 km/hThe average rainfall over a given placeduring the three-year period of 2003-2005was 65 cm. During the three-year period2002-2004 the average rainfall was 63 cm.The actual rainfall during 2005 was 60 cm.What was the rainfall in 2002?1. 55 cmx 60 cm3. 54 cm4. 53 cm
Answer» ANSWER: Rain fall in 2002 = 54 CM Step-by-step explanation: The average rainfall over a GIVEN PLACE during the three-year period of 2003-2005 was 65 cm. During the three-year period 2002-2004 the average rainfall was 63 cm. The ACTUAL rainfall during 2005 was 60 cm Average rainfall for 2003-2005 = 65 cm Total rain fall for 2003-2005 = 653 = 195 cm 2005 = 60 cm 2003 & 2004 = 195 - 60 = 135 cm Average rainfall for 2002-2004 = 63 cm Total rain fall for 2002-2004 = 633 = 189 cm 2002 + 2003 & 2004 = 189 => 2002 = 189 - 135 => 2002 = 54 cm Rain fall in 2002 = 54 cm

*120 km/hThe average rainfall over a given placeduring the three-year period of 2003-2005was 65 cm. During the three-year period2002-2004 the average rainfall was 63 cm.The actual rainfall during 2005 was 60 cm.What was the rainfall in 2002?1. 55 cmx 60 cm3. 54 cm4. 53 cm

Answer»

Rain fall in 2002 = 54 CM

Step-by-step explanation:

The average rainfall over a GIVEN PLACE during the three-year period of 2003-2005 was 65 cm. During the three-year period 2002-2004 the average rainfall was 63 cm. The ACTUAL rainfall during 2005 was 60 cm

Average rainfall for 2003-2005 = 65 cm

Total rain fall for 2003-2005 = 65*3 = 195 cm

2005 = 60 cm

2003 & 2004 = 195 - 60 = 135 cm

Average rainfall for 2002-2004 = 63 cm

Total rain fall for 2002-2004 = 63*3 = 189 cm

2002 + 2003 & 2004 = 189

=> 2002 = 189 - 135

=> 2002 = 54 cm

Rain fall in 2002 = 54 cm

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