Question
A bank offers two checking plans anywhere charge .15 cents a check; accucheck cost .77cents a month plus 8 cents per check.
For what number of checks will the accucheck plan cost less than anywhere check?
Less than 11 checks?
More than 11 checks?
11 checks?
11 or more checks?
For what number of checks will the accucheck plan cost less than anywhere check?
Less than 11 checks?
More than 11 checks?
11 checks?
11 or more checks?
Answers
PsyDAG
11(.15) > .77m +11(.08)
Assuming one month:
1.65 = 1.65
< 11 checks
Assuming one month:
1.65 = 1.65
< 11 checks