Answer:
The correct answer is E.
Step-by-step explanation:
First I look for the relationships between the coefficients. The first term corresponds to the base value.

The second term corresponds to the value obtained when the density of the underlying material is doubled and the daily usage of the equipment is halved.

With the I get the ratio of coefficients of
:
= 8
= 64
Now I calculate the percentage increase in the useful life of the equipment as:
% =
* %100 = %800
6*(3/2)=9
so, the answer is c
<h3>
Answer: 6/25</h3>
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Explanation:
The table shows the spinner lands on "4" exactly 12 times out of the 50 total.
12/50 = (2*6)/(2*25) = 6/25
In decimal form that is 6/25 = 0.24 which converts to 24%
Answer:
There's two ways to solve this.
Step-by-step explanation:
First way:
Let's divide the width and length by 2.3.
46÷2.3=20
69÷2.3=30
20×30
600 ft²
Second Way:
Let's find the area of the actual room.
46×69
3,174 ft²
Let's find the scale drawing squared.
2.3²=5.29
3,174÷5.29
600 ft²