20 % = 225
1% = 225 / 20
100% = 225 * 100 / 20
= 1125 answer
To know how many liters of water Bao use per liter of flour we have to divide the liters or flour so:

So Bao uses 0.33 or 1/3 of water per liter or flour
and to know hoy manu liters of flour Bao use per liter of water we have to made the oposite division so:

She use 3 liters of flour per liter of water
He would need to pay $44 for the purchase because
10% x $40 = $4
$40 + $4 = $44
hope this helped ((:
Answer:
Step-by-step explanation:
I attached a graph.
Hope that helps!