Answer:
x+y=5a
5a is added to b which is the sum of x and y multiplied by 3. That is, b=x+y×3=5a×3=15a
Since, 5a is added to b= 5a+15a=20a,
Answer:
It is 102
Step-by-step explanation:
Answer:
73
Step-by-step explanation:
Mean is the number of copiers combined / number of months
79 * 5 = 395
93 + 30 + 138 + 61 = 322
395 - 322 = 73
The solution is 
Explanation:
The given expression is 
We need to determine the solution of the given expression.
The solution of the expression can be determined by dividing the terms.
Thus, we have,

Let us factor out the common term
from the numerator.
Thus, we get,

Cancelling the common terms, we get,

Thus, the solution of the expression is 