The label on the cars antifreeze container clams to protect the car between - 40°C and 125°C. to convert Celsius temperature in Fahrenheit temperature, the formula is C=5/9 (F - 32). Write and solve the inequality to determine the Fahrenheit temperature range at which this anti-freeze protects the car.

Question

Creep

11 June, 20:50

+3

Answers (2)

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Korbin Strickland · Answer 1

C = 5/9 (F - 32)

F = (9/5) C + 32

F = (9/5) (-40) + 32 = - 40

F = (9/5) (125) + 32 = 257

Delilah Mendoza · Answer 2

C = (5/9) (F-32)

9C/5=F-32

F=9C/5+32 or more neatly ...

F = (9C+160) / 5

F (-40) = - 40

F (125) = 257 so

-40°