Jenna need 2 days to make jam if she wants to jar 12 litres of jam in all.
Step-by-step explanation:
The equation shows the amount of jam Jenna has jarred is related to the number of days she has spent making jam.
where j represents the amount of jam jarred and d represents the number of days spent making jam.
To find the number of days that Jenna will need if she wants to jar 12 litres of jam is to substitute in
Dividing 6 on both sides, we get,
Thus, Jenna need 2 days to make jam if she wants to jar 12 litres of jam in all.