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Answer:
The age of Jenny's mom is 40 % of age of Jenny's great-grandmother. (Input: 40)
Step-by-step explanation:
The percentage needed is calculated by the following expression:

Where:
- Percentage of Jenny's mother with respect to Jenny's great-grandmother, measured in percentage.
- Age of Jenny's mother, measured in years.
- Age of Jenny's great-grandmother, measured in years.
If we know that
and
, the percentage is:


The age of Jenny's mom is 40 % of age of Jenny's great-grandmother.
Answer:
square root, 2,12/5,2.47
Step-by-step explanation:
Volume = (1/3) * base area * height
= 1/3 * 24 * 18
= 144 ft^3