It will take riley 5 days to make 45 Liters of jam in all.
According to the unitary method, the jam collected in one day can be found out by dividing the total amount of Jam by the number of days for which the Jam has been collected.
Here in this case the jam has been collected or 4 days and the total gem collected is 36 liters.
Hence, it can be written,
Jam collected in one day = 36/4
Jam collected one day = 9 litres.
The days required to collect 45 litre of jam can be found by closely observing that everyday 9 l of jam is collected so in 5 days the total amount of jam collected will be 45L
The days required by Riley to collect 45 litre of gem is 5 days.
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