Answer: 
<u>Step-by-step explanation:</u>
÷ 
=
÷ 
=
x 
= 
I think it 48 i’m not sure
Dana can type 90 words per minute.
Since, 1 minute =
hours
Therefore, number of words she can type = 
= 90×60
= 5400 words per hour
If she types
words in 'x' hours.
Number of words Dana types with the given speed in 'x' hours = Speed of typing × Time
= 
Therefore, 


hours
Therefore, Dana types
words in 48.15 hours.
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brainly.com/question/621754
Answer: If you mean the math definiton then a quantity or parameter that does not change its value whatever the value of the variables, under a given set of conditions.
Answer:
460
Step-by-step explanation:
5*46=230 one way but round trip is
230*2=460