Regular milk has 4% butterfat. How many litres of regular milk must be mixed with 50 L of milk with 1% butterfat to have milk with 2% butterfat?

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Can you me find the missing length. i attached an image.

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error