Answer
the second one, and 5th one
Step-by-step explanation:
because it is liquid
First one is 42
second is 24
Third is 12
Answer:
The formula is:

Step-by-step explanation:
The geometric sequences are those in which the division between the terms
and
of the sequence are equal to a constant common reason called "r"
The geometrics secencias have the following form:

Where
is the first term of the sequence
In this sequence we have the following terms
1.2, 3, 7.5, 18.75
Then notice that:

Then:
and 
Finally the formula is:

By definition, the area of a rectangle is:

Where,
w: width of the rectangle
l: length of the rectangle
The total area is given by:

Where,
A1: rectangular wooden board 1
A2: rectangular wooden board 2
Substituting we have:

Rewriting we have:




Answer:
The width is given by:
