Answer:
Step-by-step explanation:
Let the added flour is x kg.
<u>We have following equation showing the total amount:</u>
Now
Let required bleached flour be x kg
Then
c
subtract 4 from both sides
Solved using the <u>Exterior angle theorem</u>.
2x-5+x-17 = 128
3x-22 = 128
3x = 150
x = 50
1