2x + 5 > 9 and 5x less than or equal to 30
1 answer:
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First lets remove the initial fee
150 is how much she is charging you per hour.
If each hour is 55, lets divide 150 by 55.
She charged you for 2.7 hours (almost 3) of service
150 is how much she is charging you per hour.
If each hour is 55, lets divide 150 by 55.
She charged you for 2.7 hours (almost 3) of service
Call our original number n. Then here's what we did in an equation:
We can solve this for n:
We can solve this for n: