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an error of 15cm was made in measurimg a length that was actually 165cm.whatpeecentage error was dat​

User Arthas
by
3.8k points

2 Answers

3 votes

Answer:

Explanation:

The answer is 9%

if 165 cm --> 100% of the length

15 cm --> x (x because we don't know the answer yet)

to find x we do cross multiplication.

15cm * 100% = 165cm* x

x=1500% / 165 cm

x=9%

User Leon Li
by
3.9k points
2 votes

Answer:

it was actually 50%

Explanation:

You subtract the 15 and then you divide

User Mehdi Daustany
by
3.5k points