Answer:
a=5
Step-by-step explanation:
In this question, some of the data is missing so its a complete question and the solution can be defined as follows:

By given question, calculating equations are:

Putting the equation (c) value in the equation (a) to calculate value:

Putting equation (c) and (d) value into equation (b):
Putting m value into equation (c) and equation (d) to calculate its value:
Calculating the s value:
Calculating the r value:
So, the final value of "m, s, and r" are "900, 1800, and 5800".
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brainly.com/question/2929577
Answer:
Step-by-step explanation:
5 / (3/4) =
5 * 4/3 =
20/3 <==== I left it as an improper fraction