Answer:
18
Step-by-step explanation:
a^2 + b^2 = c^2
in this case 24 is a and 30 is c
24^2 = 576
30^2 = 900
900 - 576 = 324
the square root of 324 is 18
32 copies - 1 min - 60 seconds
176 copies - t
32 * t = = 176 * 60 seconds
t = 176 * 60 / 32 = 330 seconds