PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS

Answer:
30%
Step-by-step explanation:
the first solution -30% will be 45% and the second solution added by 30% will be 45%
An which direction does heat move?
From an object with a cool temperature to another object with a cool temperature.
From an object with a higher temperature to an object with a lower temperature.
with a lower temperature to an object with a higher temperature.
From an object with a warm temperature to another object with a warm temperature.
Step-by-step explanation: