Mathematics, 05.09.2020 03:01 egirl31

13. A house-painting company charges $360 plus $9 per hour. Another
company charges $270 plus $18 per
hour. Write an equation and solve to
find
a) How long is a job for which both
companies will charge the same
amount?
b) What will that cost be?

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13. A house-painting company charges $360 plus $9 per hour. Another
company charges $270 plus...