jcurtisgreen2007 jcurtisgreen2007
  • 24-05-2020
  • Mathematics
contestada

The length of a solar car race track is supposed to be 4.8 meters.
Unfortunately, the carpenter made it 4.2 meter. What is the percent error?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 24-05-2020

Answer:

  -12.5%

Step-by-step explanation:

A percentage change is computed using ...

  percent change = ((new amount) -(original amount))/(original amount) × 100%

We want to find the percentage change from 4.8 m, so we have ...

  percent change = (4.2 -4.8)/4.8 × 100% = -.6/4.8×100% = -12.5%

The carpenter made the track 12.5% too short.

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