Answer: $52.5
Step-by-step explanation:
Given : Last month you used 125 minutes and your bill was $37.50.
i.e. Charges for each minute used =[tex]\dfrac{37.50}{125}=\$0.3[/tex]
i.e. it charges $0.3 for each minute home phone used.
If this month you used 175 minutes.
Then , your this month's home phone bill will be :-
[tex]175\times0.3=\$52.5[/tex]
Hence, you month home phone bill will be $52.5 .