To find out how many more bags of flour the baker used in the second week compared to the first week, you will need to subtract the amount of flour used in the first week from the amount used in the second week.
First Week: \( 5.7 \) bags
Second Week: \( 7.3 \) bags
Now, perform the subtraction:
\[ 7.3 - 5.7 \]
Convert the numbers for easier subtraction: \[ 7.3 = 7 + 0.3 \] \[ 5.7 = 5 + 0.7 \]
Now subtract the whole numbers: \[ 7 - 5 = 2 \]
Next, subtract the decimal parts: \[ 0.3 - 0.7 \] Since \(0.3\) is less than \(0.7\), we can borrow 1 from the whole number:
So, we have \(2 - 1 = 1\) for the whole number part, and we now have \[ (0.3 + 1) - 0.7 = 1.3 - 0.7 = 0.6 \]
Putting it all together, we get: \[ 1 + 0.6 = 1.6 \]
Thus, the baker used \(1.6\) bags more flour in the second week than in the first week.
The answer is: 1,6/10 bags