Astronomer a Claims That the Hubble Constant Is 84 Km/s/Mpc

Multiple Choice

Astronomer A claims that the Hubble constant is 84 km/s/Mpc, while astronomer B claims that it is 63 km/s/Mpc. The age of the universe calculated by astronomer A would be

A) 1.33 times the age calculated by astronomer B.
B) 2/3 of the age calculated by astronomer B.
C) 3/4 of the age calculated by astronomer B.
D) 1.25 times the age calculated by astronomer B.