Question 475973
How much rain fell in cm for the entire week?
{{{ x }}} cm on wednesday
{{{ x }}} cm on the remaining 6 days of the week
{{{ x + x = 2x }}} cm during the entire week
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An average is: (sum of measurements of samples) / (number of samples)
{{{ 3 = 2x / 7 }}} cm/wk
{{{ 21 = 2x }}}
{{{ x = 10.5 }}} 
It rained 10.5 cm on Wednesday