Flight time from houston to orlando is 2 hours to 20 minutes. i arrive at orlando at 4:15 pm. what time did it set off?
1 answer:
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Answer:
y = 48
Step-by-step explanation:
given y is directly proportional to x then the equation connecting them is
y = kx ← k is the constant of proportionality
To find k use the condition y = 36 when x = 30
k = =
=
y = x ← equation of proportionality
When x = 40 then
y = × 40 = 48