Question

How do you evaluate `7r - 15/s - 11` when `r = 3` and `s = 5`?

Answer 1

7

Explanation:

Given:
The expression `7r - 15/s- 11` and r = 3 and s = 5;

We substitute the respective values in the expression:
`:. 7*3 - cancel(15)/cancel(5) -11 = 21 - 3 - 11 = color(red)(7)`