A recent transportation survey of w urban commuters (that is, n(U) = w) yielded the following information: x commuters rode neither trains nor buses, y rode trains, and z rode only trains. How many people rode the following?
a. trains and buses
b. only buses
c. buses
d. trains or buses
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.