Question
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Question 2
The time (t) taken to buy a fuel at a petrol station variation varies directly as the number of vechice on a quene and inwersely as the number of pumps § available in a station. In a station of 5 pumps, it took 10 minutes to fuel 20 vechiles
Find;
(a) The relationship betweet and .
(b) The time it will taple to fuel 50 vechiles in Station usithe 2 pumps

Ask by Bright Montgomery. in Ghana
Jan 23,2025

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Tutor-Verified Answer

Answer

(a) The relationship is .
(b) It will take 62.5 minutes to fuel 50 vehicles with 2 pumps.

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The Deep Dive

When you’re dealing with direct and inverse variations, think of it like a balancing act! In this scenario, the relationship can be expressed using the formula , where is a constant. Given that it took 10 minutes for 20 vehicles at 5 pumps, we can first find the constant . Plugging the values in, we get , which simplifies to . Now we have our relationship!
For the second part, we want to find out the time for 50 vehicles at 2 pumps. Using the same formula , substitute and : minutes. So, buckle up; it will take about 62.5 minutes to refuel those vehicles with only 2 pumps available!

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