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Mathematics 13 Online
OpenStudy (samara8954):

In January, the depth of a lake was 936 feet. In August, the depth of the lake was 655.2 feet. What is the percentage decrease of the depth of the lake from January to August? 43% 70% 30% 36%

OpenStudy (samara8954):

help me

OpenStudy (anonymous):

|dw:1419212791360:dw| 30%. i guessed and checked until it came out to work

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