Answer:
84 months
Step-by-step explanation:
Maria is 7 years old, there are 12 months in a year, multiply 12 by 7.
12 * 7 = 84
Maria is 84 months old
9/20, 1/6, 46/63, and 7/12
Answer: 1/16
0.0625
(21-8)-6=7
and that's it