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mezya [45]
3 years ago
9

The running time for movie a is 39 minutes more than twice the running time for movie

Mathematics
1 answer:
vova2212 [387]3 years ago
7 0

Let the running time for movie b = x minutes

Running time for movie a = (x + 39) minutes

3x - (39 + x ) = 47 minutes

3x - x = 47 + 39 minutes

2x = 86 minutes, x = 43 minutes

So movie b runs 43 minutes

Movie a runs 43 + 39 = 82 minutes

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