Answer is 280
First, find A = 35% (100% less the three known percents = 35
Second, find ratio of B
20% of x = 160
Divide 160/.20 to isolate x
X=800 (total biscuits)
Now take A percentage x 800 biscuits
800 x 35% = 280 people chose biscuit A
Solve for x by cross multiplying
Exact form: x= 191/7
Decimal form :x=27.28571428
Mixed number form:x=27 2/7
Answer:

Step-by-step explanation:
Given

Required
The period
A sine function is represented as:

Where

By comparing:
and 

So, we have:


Hence, the period of the function is 
Answer:
8
Step-by-step explanation:
<h2 /><h2>She should find the square root, of 144 sq ft, which is 12 ft</h2><h2 /><h2>Hope that helps!</h2>