document.write( "Question 672589: Hello,\r
\n" ); document.write( "\n" ); document.write( "I was wondering if the formula I plan on using works with this problem; and if it is the correct one how do I go about solving it? Formula: y=mx+b \r
\n" ); document.write( "\n" ); document.write( "3. A cell phone company has offered you two different rates. The first rate is $35 per month and 5 cents per phone call (time does not matter). The second offer is $55 per month and 2 cents per call.
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\n" ); document.write( "Part A: Set up and solve the inequality to model this problem and find where it is less expensive to go with the second plan.\r
\n" ); document.write( "\n" ); document.write( "The cell phone company also has two texting plans. The first is unlimited texts for $12. The second plan is 8 cents per text.\r
\n" ); document.write( "\n" ); document.write( "Part B: Set up and solve an inequality to show when it less expensive to go with the second texting plan.
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Algebra.Com's Answer #418202 by MathLover1(20850)\"\" \"About 
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$35 per month and 5 cents per phone call (time does not matter). The second offer is $55 per month and 2 cents per call.
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\n" ); document.write( "\n" ); document.write( "A cell phone company has offered you two different rates: \r
\n" ); document.write( "\n" ); document.write( "a.\r
\n" ); document.write( "\n" ); document.write( "the first rate is $\"35\" per month and \"5\" cents per phone call (time does not matter) \r
\n" ); document.write( "\n" ); document.write( "b.\r
\n" ); document.write( "\n" ); document.write( "the second offer is $\"55\" per month and \"2\" cents per call\r
\n" ); document.write( "\n" ); document.write( "Set up the inequality \r
\n" ); document.write( "\n" ); document.write( "plan \"A=35%2B0.05x\" and plan \"B=55%2B0.02x\", where \"A%3CB\"\r
\n" ); document.write( "\n" ); document.write( "let \"x\" be number of calls made per month, then we have\r
\n" ); document.write( "\n" ); document.write( "\"35%2B0.05x+%3C=55%2B0.02x\"\r
\n" ); document.write( "\n" ); document.write( "\"0.05x-0.02x+%3C=+55-35\"\r
\n" ); document.write( "\n" ); document.write( "\"0.03x%3C=+20\"\r
\n" ); document.write( "\n" ); document.write( "\"x+%3C=+20%2F0.03\"\r
\n" ); document.write( "\n" ); document.write( "\"x+%3C=+666.66666666666666666666666666667\"\r
\n" ); document.write( "\n" ); document.write( "\"x+%3C=+666.67\"\r
\n" ); document.write( "\n" ); document.write( "when the calls are \"less\" than \"666.67=667\" plan \"A\" is better deal\r
\n" ); document.write( "\n" ); document.write( "when the calls are \"greater\" than \"667\" plan \"B\" is better deal\r
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