Glencoe Math: Course 2, Volume 2
GM
Glencoe Math: Course 2, Volume 2 View details
1. Algebraic Expressions
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Exercise 27 Page 355

Substitute 275 for n in the expression.

$ 8.75

Practice makes perfect

Let's consider the given expression. 0.15( n-250)+5 To evaluate the expression for n= 275, we need to substitute 275 for n in the expression and then simplify.

0.15(n-250)+5
0.15( 275-250)+5
0.15(25)+5
3.75+5
8.75

We found that the cost of 275 messages is $ 8.75.