Lisa wants to buy a phone card for $5. Company X charges $0.37 for the first minute and $0.08 for each additional minute. Company Y charges $0.52 for the first minute and $0.14 for each additional minute. If Lisa makes just one call, which phone company gives her more minutes for $5? How many more minutes?

Question

anonymous · Answer

Company Y equation is Y=0.14x+0.52

Company X equation is Y=0.08x+0.37

Then replace Y with 5 and solve.

Company Y: 
5=0.14x+0.52
4.48=0.14x
32 minutes

Company X: 
5=0.08x+0.37
4.63=0.08x
about 58 minutes

58-32= 26
Answer: Company X: about 26 minutes.

anonymous · Answer

yay!!! thanks!!!!!