For 2.5 hours of service, the costs charged by the two companies will be same.
Step-by-step explanation:
Given equation is;
75+50x=25+70x
Arranging alike terms together;
[tex]75+50x=25+70x\\75-25=70x-50x\\50=20x\\20x=50[/tex]
Dividing both sides by 20
[tex]\frac{20x}{20}=\frac{50}{20}\\x=2.5[/tex]
For 2.5 hours of service, the costs charged by the two companies will be same.
Keywords: linear equation, division
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