miyaec2001
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99 POINTS
For his phone service, Charlie pays a monthly fee of $ 18 , and he pays an additional $ 0.06 per minute of use. The least he has been charged in a month is $ 102.24 . What are the possible numbers of minutes he has used his phone in a month? Use m for the number of minutes, and solve your inequality for m .

Respuesta :

gmany

m - the number of minutes

The inequality:

[tex]18+0.06m \geq 102.24\ \ \ \ |-18\\\\0.06m \geq 84.24\ \ \ \ |\cdot100\\\\6m \geq 8424\ \ \ \ |:6\\\\\boxed{m \geq 1404}[/tex]

Answer: greater than or equal to 1404.

BraveDaniel

Answer:

102.24 ≤ 18 + .06(m)

Let m = # of minutes

84.24 ≤  .06(m)

x ≤ 1404

Step-by-step explanation:

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