The 2011 life expectancy is Japan (82.7 years) is_____ percent greater than 2011 world average life expectancy (67.9 years).
The median age at first marriage of US women (26.1 years) is____ percent less than the median age at first marriage of US men (28.2 years).
The amount of wheat produced by China in 2009 (115 million metric tons) was_____ percent greater than the amount of wheat produced by India in 2007 (81 million metric tons).
+129839 The 2011 life expectancy is Japan (82.7 years) is_____ percent greater than 2011 world average life expectancy (67.9 years).
82.7 / 67.9 - 1 ≈ .218 = 21.8 % greater
The median age at first marriage of US women (26.1 years) is____ percent less than the median age at first marriage of US men (28.2 years).
1 - 26.1 / 28.2 ≈ .0745 = 7.45 % less
The amount of wheat produced by China in 2009 (115 million metric tons) was_____ percent greater than the amount of wheat produced by India in 2007 (81 million metric tons).
115/81 - 1 ≈ .4198 = 41.98% more
