What you must do for this case is subtract both quantities and verify the final result.
We have then:
15 3 / 10-13 9/10 =
Rewriting
15.3 - 13.9 =
1.4 =
1 4/10
answer:
this month fell 1 4/10 more centimeters of rain
The speed is the ratio between the distance and the time:

Data:
d=6343miles
t=9h

Then, the plane traveled at a speed of 704.77 miles per hour.
Answer:
$1.25
Step-by-step explanation:
90 / 72 = the cost per student
90 / 72 = 1.25
Answer:
what is the subject and grade please tell
Step-by-step explanation:
Random numbers for a simulation might come from
1) a table of random numbers
2) a computer random number generator, such as ones available in many spreadsheet programs
3) digitizing the noise of the Universe. Such random numbers are available on some web sites.