Final answer:
By setting up an inequality to compare the total costs and solve for the number of miles, it is found that Buses-4-U is less expensive than Charter-A-Bus for trips less than 100 miles.
Step-by-step explanation:
To find out for which number of miles Buses-4-U is the less expensive option compared to Charter-A-Bus, we need to compare the total costs from both companies and find at which point one becomes cheaper than the other.
Let's denote the number of miles as m. The total cost for Charter-A-Bus can be represented as $50 + $0.40m, and for Buses-4-U it's $35 + $0.55m.
We set up the inequality $35 + $0.55m < $50 + $0.40m to find when Buses-4-U is cheaper. Solving the inequality:
- $35 + $0.55m < $50 + $0.40m
- $0.55m - $0.40m < $50 - $35
- $0.15m < $15
- m < 100 miles
Therefore, Buses-4-U is less expensive for any trip that is less than 100 miles.