Ratio of change in internal energy of a substance from 15oC to T and from T to 10oC is 2, what is T?

Ratio of change in internal energy of a substance from 15oC to T and f

1.	Ratio of change in internal energy of a substance from 15^oC to T and from T to 10^oC is 2, what is T?
A.	t5<sup>o</sup>C
B.	t15<sup>o</sup>C
C.	t20<sup>o</sup>C
D.	t30<sup>o</sup>C
Answer» B. t15<sup>o</sup>C