Answer:
The second one.
Step-by-step explanation:
It is 84 ibs
Explanation
It’s actually easy if you learn 5 minutes of it
But thats the correct answer
8 ounce (280 milligrams of calcium)
128 ounces (? milligrams of calcium)
128/8 = 16 (eight is sixteen times in 128)
Then
16 * 280 = 4,480 milligrams of calcium per gallon
Answer:17.1
Step-by-step explanation: