12 is C
15 is A
16 is A
Mrs. Fisher's claim is correct, and Mr. Fisher's claim is incorrect
The number of watches is given as:
91 can be expressed as the product of 7 and 13.
So, we have:
This means that:
The 91 watches can be put in 7 rows and 13 columns or 7 columns and 13 rows.
Hence, Mrs. Fisher's claim is correct.
Read more about prime and composites at:
The actual height of building is 1800 feet.
Step-by-step explanation:
Given,
Height of building in model = 3 inches
Scale used by engineer;
1 inch = 600 feet
Therefore;
Actual height of building = Height in model * Scale used
Actual height of building = 3 * 600
Actual height of building = 1800 feet
The actual height of building is 1800 feet.