Devon jarred 20 litres of jam after 4 days. How many days does Devon need to spend making jam if she wants to jar 40 litres of jam in all? Assume the relationship is directly proportional.
Question
Devon jarred 20 litres of jam after 4 days. How many days does Devon need to spend making jam if she wants to jar 40 litres of jam in all? Assume the relationship is directly proportional.
Solution
First, we need to determine the rate at which Devon jars jam. We know that she jars 20 litres in 4 days. So, we divide 20 litres by 4 days to find the rate.
20 litres ÷ 4 days = 5 litres/day
This means Devon jars 5 litres of jam each day.
Next, we need to find out how many days it would take for Devon to jar 40 litres of jam. We do this by dividing the total amount of jam by the rate at which Devon jars jam.
40 litres ÷ 5 litres/day = 8 days
So, Devon would need to spend 8 days making jam to jar 40 litres of jam.
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