Answer: She was off by 25%
Step-by-step explanation: I used proportions to solve this. 100% and 8 are the same because 100% was what she thought the weight of the cat was. So this is one side of the proportion. The other side, we need a variable which is X. X is the unknown percentage. X is equal to 10. I then did 100% x 10 which is 1000 then divided it by 8 which is equal to 125%. 125% - 100% = 25%.
The percentage error based on the information given is 25%.
Since Jessie estimated that the weight of her cat to be 8 pounds when the actual weight was 10 pounds, then the difference will be:
= 10 pounds - 8 pounds
= 2 pounds
Therefore, the percentage error will be:
= 2/8 × 100
= 25%.
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