1994 AJHSME Problems/Problem 14

Revision as of 19:24, 8 November 2012 by CrystalChess (talk | contribs) (Problem)

Problem

Two children at a time can play pairball. For $90$ minutes, with only two children playing at time, five children take turns so that each one plays the same amount of time. The number of minutes each child plays is

where is the anwser ?

$\text{(A)}\ 9 \qquad \text{(B)}\ 10 \qquad \text{(C)}\ 18 \qquad \text{(D)}\ 20 \qquad \text{(E)}\ 36$