Answer:
6.875 or 6 and 7/8
Step-by-step explanation:
You do 30 divided by 12 which is 2.5.
So the sugar will be 2 and 3/4 times 2.5
2 and 3/4 is the same as 2.75
2.75 x 2.5 is 6.875 or 6 and 7/8
So the amount of sugar you need to make 30 tarts is 6.875 or 6 and 7/8
