Question

During construction the workers need to mix dried bentonite into the concrete as it is being mixed to get the desired consistency. The workers decide to mix 800 mg of Bentonite to be mixed with 198 lb of concrete mix every 8 hours. The information for the concrete shows that 25-75 mg/kg per day is the appropriate mixture consistency.
Are the workers within the desired range? (Note: 1kg = 2.2 lbs)

Answer 1

Answer:

The answer is   A

Step-by-step explanation:

Khan