Yes he is correcct because 4/8 and 1/2 is the same thing
The factors of 21 are 1, 3, 7, and 21
5.9 is what your answer should be! :) Hope this helps! :)
The answer is Triangle PQR
Answer:
40
Step-by-step explanation: If 10 : 15, then 4 times both of those should be an hour. This would be 40 : 60. That is why 40 is the correct answer.
