The value of the expression 9c - d when c=30 and d=81 is 189
How to determine what is the value of the expression 9c - d when c=30 and d=81?
The expression is given as:
9c - d
The value of c and d are given as:
c=30 and d=81
Substitute c=30 and d=81 in 9c - d
So, we have:
9 * 30 - 81
Evaluate the products
So, we have:
270 - 81
Evaluate the difference
So, we have:
189
Hence, the value of the expression 9c - d when c=30 and d=81 is 189
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