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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

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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