Answer:
About 8 cans.
Step-by-step explanation:
Given:
She starts with nine cans of tomato sauce.
Then use is 9/10 of the cans for her first batch of calzones
To find:
How many cans of tomato sauce does Hannah use for the first batch of calzones ?
Solution:
She starts with number of cans = 9
Then use is of the cans.
Now, we will find number of cans used for the first batch of calzones by multiplying number of cans she starts with by fraction of cans she used for the first batch of calzones .
Therefore, number of cans used for the first batch of calzones is about 8 cans.