Math the tips how to do it

Question

You estimate that a kitten with 15 pounds the actual weight of the kitten is 8 pounds find the percent error

Answer 1

The % error equation is

% error = ( | approximate - exact | ÷ exact ) x 100

You approximated, or estimated, 15 lbs. but the actual, or exact, weight was 8 lbs.

| x | is the absolute value of x, meaning it's the positive value.

For example the absolute values of | -5 | and | 5 | are both 5

Plugging in our known values we can get

% error = ( | 15 - 8 | ÷ 8 ) x 100

% error = ( | 7 | ÷ 8 ) × 100

% error = ( 7 ÷ 8) x 100

% error = (0.875) x 100

% error = 87.5%