The Q members of the senior class agree to split the cleanup costs equally for their graduation dance, which will be P dollars. If R students fail to graduate and do not pay their share, but the cleanup costs remain the same, how many additional dollars will each of the remaining students have to contribute to pay the cleanup costs?
A. P/(Q - R)
B. (P/Q)(R - Q)
C. PQ/(Q - R)
D. PR/(Q(Q - R))
E. PQR/(Q(Q - R) )
A. P/(Q - R)
B. (P/Q)(R - Q)
C. PQ/(Q - R)
D. PR/(Q(Q - R))
E. PQR/(Q(Q - R) )