Question 18
A new operation is illustrated by $2\boxdot3=2+3+4$, $6\boxdot2=6+7$, and $3\boxdot5=3+4+5+6+7$. Find n if $n\boxdot8=76$.
Use the intended rule: the second input counts consecutive integers, starting with the first input.
Use the intended rule: the second input counts consecutive integers, starting with the first input.