Read the problem in the box below. Make a list to help you solve the problem,
There are 5 people in the Brass Ensemble, and
each person plays a different instrument. All of the
musicians want to play a piece with someone who
plays a different instrument. The instruments are
Trombone, Cornet, Sousaphone, French Horn
and Tuba. Which list contains all the instrument
combinations?
O
A. CF, CU, CS, UF, SE, SU, TC, TS, US, UF
O B. TC, TS, TE TU, CS, CF, CU, SF, SU, FU
O C. UF, US, UC, UT, TC, TS, TE, TU, SC, SU