the label on the car's antifreeze container claims to protect the car between −40°c and 125°c. to convert celsius temperature to fahrenheit temperature, the formula is c = 5 over 9 (f − 32). write and solve the inequality to determine the fahrenheit temperature range at which this antifreeze protects the car.

−40 > 5 over 9 (f − 32) > 125; −40 > f > 257
−40 < 5 over 9 (f − 32) < 125; −40 < f < 257
−40 < 5 over 9 (f − 32); −40 < f
5 over 9 (f − 32) < 125; f < 257

The key word is "between."  Example: a number x is between 5 and 17.  Translation:  5 < x < 17.

You want the Celsius temperature to be between -40 and 125.



The second answer choice is correct.
The first answer choice is in the wrong order; it would mean that -40 > 125. Nope!
The third answer choice is "one-sided"; it says the Celsius temperature is larger than -40 but fails to mention the upper limit of 125.
The fourth answer choice is "one-sided," too. It says the Celsius temperature is less than 125 but doesn't mention the lower limit of -40.

I hope this helps a lot!