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horrorfan [7]
2 years ago
13

Chang made $156 for 13 hours of work at the same rate, how many hours would he have to work to make $108?

Mathematics
1 answer:
sdas [7]2 years ago
8 0

Answer:

  9 hours

Step-by-step explanation:

"At the same rate" means time and wages are proportional.

  time/wages = t/$108 = (13 h)/$156

  t = 108(13 h)/156 . . . . . . . . . . . . . . . units of dollars cancel

  t = 9 h

Chang would have to work 9 hours to make $108.

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