contestada

From 1980 to 1990 the national debt of country 'w' increased by 80%. From 1990 to 2000 the national debt of country 'w' increased by 50%. In 2000 the national debt of country 'w' was what percent larger than in 1980?
A) 130%
B) 140%
C) 16 2/3%
D) 170%

Respuesta :

It D, 170% because you can find 150% of 180% by doing 1.5(1.8) to get 2.7, which is 270%. 270% is 170% more than the original 100%

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