Problem
Chrome - Test Player test. mapnwea.org/growth/\#/test-player Cellular offers cellular phone service for \( \$ 39.95 \) a month plus one cent a minute. Salam \( \$ 9.95 \) a month plus five cents a minute. How many minutes would a person need to use a mor Salamander Digital? A. 500 minutes B. 600 minutes C. 750 minutes D. 832 minutes E. 998 minutes Growth: Math 6+ GA 2015
Solution
Step 1 ：Let x be the number of minutes used in a month. Write the cost equation for Cellular: 39.95 + 0.01x
Step 2 ：Write the cost equation for Salam: 9.95 + 0.05x
Step 3 ：Solve the equation: 39.95 + 0.01x = 9.95 + 0.05x
