Respuesta :
Answer:
[tex]70 > 55 + t[/tex]
Step-by-step explanation:
Given
[tex]Previous\ Time = 1\ hr\ 10\ mins[/tex]
[tex]Current\ Time = 55\ mins[/tex]
Required
Represent the additional time needed as an inequality
Convert the previous time to minutes
[tex]Previous\ Time = 1\ hr\ 10\ mins[/tex]
[tex]Previous\ Time = 1 * 60\ mins + 10\ mins[/tex]
[tex]Previous\ Time = 60\ mins + 10\ mins[/tex]
[tex]Previous\ Time = 70\ mins[/tex]
Let the additional time be t
This means that she needs to run at least t minutes to beat her previous record
To beat her previous record, the sum of current time and x must be less than her previous time. i.e.
[tex]55 + t < 70[/tex]
This can be rewritten as:
[tex]70 > 55 + t[/tex]