Question

Gregg’s phone plan charges $.50 per text message plus $.70 a day. Howard’s plan charges $.30 a text plus $2.50 a day. For what number of texts, a day are the cost of the phone plans the same? Show work.

Answer 1

x=9

Explanation:

.5x+.7 = .3x+2.5

-.7 -.3x

.2x=1.8

/.2 /.2

x=9

.5(9)+.7=5.2

.3(9)+2.5=5.2