State if each pair of ratios forms a proportion 12/24 and 3/4
2 answers:
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Answer:
The difference in per-mile costs for the two companies is $0.12
Step-by-step explanation:
Gabi sets up the equation to find out after how many miles, m, the companies will charge the same amount.
The first company charges for m miles driven.
The second company charges for m miles driven.
In both these functions, numbers 7.20 and 8,40 represent the initial fee the companies charge.
Numbers 0.22 and 0.1 represent per-mile costs.
Thus, the difference in per-mile costs is
Another way to solve this problem is to find the cost per mile driven for each company:
1. Cost per-mile 1st company
2. Cost per-mile 2nd company
3. Difference: