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Mathematics 40 Online
OpenStudy (anonymous):

The chemicals in my swimming pool use a ratio of 2 tablets of chlorine for every 5 days. Which ratio shows the number of chlorine tablets needed for 20 days? A) 5 to 20 B) 8 to 20 C) 7 to 20 D) 3 to 20

OpenStudy (anonymous):

8 to 20

OpenStudy (anonymous):

2:5 so x:20 your multiply for 4 up and dow 2*4:5*4 = 8:20

OpenStudy (anonymous):

Thank you your so much of a help

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