One ordered pair $(a,b)$ satisfies the two equations $ab^4 = 48$ and $ab^3 = 24$.
What is the value of b in this ordered pair?
a • b4 = 48 (eq 1)
a • b3 = 24 (eq 2)
divide both sides of (eq 1)
by both sides of (eq 2) to obtain b = 2 (by the way a = 3)
.