Homework Help: Algebra

Posted by Cmajor on Thursday, January 13, 2011 at 10:27pm.

Economy Movers charge $85 plus $40 an hour to move households across town. Helpful Moving Company charges $60 an hour for cross-town moves. For what lengths of time is Helpful Moving Company more expensive?

Algebra - Ms. Sue, Thursday, January 13, 2011 at 10:32pm
I'm sure there's an algebraic method of determining this.

However, trial and error will also get the answer.

85 + 40 = 125
85 + 80 = 165
85 + 120 = 205
85 + 160 = 245

60
120
180
240
Algebra - Cmajor, Thursday, January 13, 2011 at 10:44pm
A= Total charges of Economy Movers in t hours.

B= Total charges of Helpful Moving Company in t hours.

Write an inequality B>A to determine t.

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