7) The fee for charging an electric car at Station A is $2 to start, and then $4 for each hour or fraction of an hour.
1 answer:
Answer:
Cheaper Station: B
Fee at Chosen Station: $15
Step-by-step explanation:
Set up equations:
Variable x = number of hours
Station A: 4x + 2
Station B: 3x + 3
Plug in 4 for x:
A:
4(4) + 2
16 + 2
$18
B:
3(4) + 3
12 + 3
$15
Compare:
$18 > $15
Station B is cheaper.
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