Deon will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $55 and costs an addi
tional $0.10 per mile driven. The second plan has no initial fee but costs $0.60 per mile driven. How many miles would Deon need to drive for the two plans to cost the same?
1 answer:
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Answer:
y =
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 7 when x = 3
k = =
, thus
y = x ← equation of variation
When x = 7, then
y = × 7 =