If a cook prepares a meal in 6 hours and a second cook prepares it in 7 together with a third cook they prepare it in 2 hours. how long does it take the third cook to prepare the meal alone

b is the correct answer

answer by jkismyhusbandbae:

a) how close a measured value is to the actual (true) value.

  measure of length.   there are 12 inches in a foot, and 36 inches in a yard.   one inch is exactly 2.54 centimeters.

accuracy is how close something is to an actual answer but it is not exactly correct.