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pshichka [43]
3 years ago
9

John's sister went shopping with him. She expected to spend $100 on clothes, but spent only $10. John wanted to help her calcula

te the percent error, but he thinks he may have made a mistake. Are his calculations below correct? Why or why not?
Mathematics
2 answers:
Taya2010 [7]3 years ago
8 0

Answer:

10%

Step-by-step explanation:

Inessa [10]3 years ago
8 0

Answer: John’s calculations are not correct. He compared the exact value to the absolute error. The absolute error should be in the numerator and the exact value in the denominator.

Step-by-step explanation:

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3 years ago
The price of a necklace was increased by 20% to £186. <br> What was the price before the increase?
vova2212 [387]

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£148.8

Step-by-step explanation:

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The price of the necklace before the increase is £148.8

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