Question 478795
If {{{n}}} represents the number of nickels he has, then he has {{{(n+3)}}} dimes, and {{{((n+3)+4)=(n+7)}}}quarters.
The total value of all his coins is {{{5*n+10*(n+3)+25*(n+7)=5n+10n+30+25n+175=40n+205}}}
Answer: A. {{{40n+205}}}