Answer: 25%
Step-by-step explanation:
Given
Emelia measures the weight of the rock to be 30 gm
The actual weight was 24 gm
Percentage error is given by

Insert the values

Therefore, the percentage error is 25%.
Answer:
Slope = 2/4 which is 1/2
Step-by-step explanation:
What is it that you are looking for ?
x or y ?
The blank is 25.
Tip: There is already 25, so there is only 50. But they want half so, half of 50 is 25.
I hope you understand.
Answer:
5(11x-2) = 155
55x - 10 = 155
55x = 165
x = 165/55
x = 3
Step-by-step explanation:
hope it helps