Question

what happens to the value of the expression $n + 15$ as $n$ decreases?
choose 1 answer:
a it increases.
b it decreases.
c it stays the same.

Explanation:

The expression is \( n + 15 \). In an addition expression where one addend (15) is constant, if the other addend (\( n \)) decreases, the sum (the value of \( n + 15 \)) will also decrease. For example, if \( n = 10 \), the value is \( 10 + 15 = 25 \). If \( n \) decreases to \( 5 \), the value is \( 5 + 15 = 20 \), which is less than 25. So as \( n \) decreases, the value of \( n + 15 \) decreases.

Answer:

B. It decreases.