The equation given is not enough to solve for k, m, and n as it has 3 unknowns and only 1 equation. You need at least 2 or more equations to solve for the unknowns.
twice the difference of three times a number and eight
There are two possible (and different) answers: 2x + 3y = 12 or 2*(x + 3y)= 12 The first one is (twice a number) increased by (three times another) The second is twice (a number increased by (three times another)).
The AED may shock once, twice, or three times.
Twice with a remainder of three
Twice with a remainder of three
Twice with a remainder of three
Twice with a remainder of three
The Romans officially invaded Britain three times. Twice by Julius Caesar and once by Claudius.
Almsgiving is mentioned six times in Acts; twice in Luke; three times in Matthew.
three times a number decreased by eleven
Twice, with three left over.
The answer is 42