At a school dance, the ratio of boys to girls is 7 to 5. What fraction of students at the dance consists of girls? (You must use
1 answer:
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Step-by-step explanation:
this is the work, written out for you.
Answer:
A. 0.15
B. 0.45
C. 85
Step-by-step explanation:
Given that:
Equation to represent the relation between distance, in miles and time
in seconds:
<em>A. </em>
To find: The speed of airplane in miles per second.
Formula for speed is given as:
Here, we will have to find the value of .
Dividing the given equation by , we get:
is in miles and
is in seconds.
Therefore, the answer is <em>0.15</em>.
<em>B.</em>
Distance traveled in 30 seconds.
Given that: = 30 seconds
To find: in miles
<em>C.</em>
The time taken to travel a distance of 12.75 miles.
Given that :
To find: seconds