Question 843964
The average is the sum of the values divided by the number of values.
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{{{(2+7+6+x)/4=5}}}
{{{15+x=20}}}
Now solve for {{{x}}}
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{{{(18+1+6+x+y)/5=10}}}
{{{25+x+y=50}}}
Use your value of {{{x}}} from before and now solve for {{{y}}}