Question 368988
Look at all of the choices and sums, there are 20 of them.
{{{1	+2	=3}}}
{{{1	+6	=7}}}
{{{1	+7	=8}}}
{{{1	+9	=10}}}
{{{2	+1	=3}}}
{{{2	+6	=8}}}
{{{2	+7	=9}}}
{{{2	+9	=11}}}
{{{6	+1	=7}}}
{{{6	+2	=8}}}
{{{6	+7	=13}}}
{{{6	+9	=15}}}
{{{7	+1	=8}}}
{{{7	+2	=9}}}
{{{7	+6	=13}}}
{{{7	+9	=16}}}
{{{9	+1	=10}}}
{{{9	+2	=11}}}
{{{9	+6	=15}}}
{{{9	+7	=16}}}
.
.
.
{{{x}}},{{{P(x)}}}

{{{3}}},{{{2/20}}}
{{{7}}},{{{2/20}}}
{{{8}}},{{{4/20}}}
{{{9}}},{{{2/20}}}
{{{10}}},{{{2/20}}}
{{{11}}},{{{2/20}}}
{{{13}}},{{{2/20}}}
{{{15}}},{{{2/20}}}
{{{16}}},{{{2/20}}}