On day 1, a volcano expelled five metric tons of sulfur dioxide. On day 2, the same volcano expelled 12 metric tons of sulfur dioxide. What is the percentage increase in sulfur dioxide from day 1 to day 2?

1 Answer
Alan P. · Shwetank Mauria
Apr 15, 2016

#140%# increase from day 1

Explanation:

Increase in mass expelled from day 1 to day 2:
#color(white)("XXX")=12 " metric tons" - 5 " metric tons"#
#color(white)("XXX")=7 " metric tons"#

#7 " metric tons"# as a percentage of the day 1 mass of #5 " metric tons"#
#color(white)("XXX")7/5xx100=140%#

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