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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

Answer

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Answer

Solve the equation: 39.95 + 0.01x = 9.95 + 0.05x

Steps

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