Question

1. cell phone bill jonathan’s cell phone bill before taxes is $49.99 + 0.10m, where m is the number of minutes over 400. what is jonathan’s bill if he used 550 minutes?

Explanation:

Step1: Find the value of m

m is the number of minutes over 400. So, \( m = 550 - 400 = 150 \)

Step2: Substitute m into the bill formula

The bill formula is \( \$49.99 + 0.10m \). Substitute \( m = 150 \):
\( 49.99 + 0.10\times150 = 49.99 + 15 = 64.99 \)

Answer:

\$64.99