ghgvbjrd ghgvbjrd
  • 26-10-2018
  • Mathematics
contestada

Currently about 9 in 10 people own a cell phone in the US. If there are 428 people on an airplane, approximately how many of them own a cell phone and need to turn it off.

375

380

385

390

Respuesta :

blake647
blake647 blake647
  • 26-10-2018
A way to solve this is finding 90% of 428.

428 × 0.90 = 385.2
Rounded, the answer is 385
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