Answer:
Step-by-step explanation:
The Standard Penetration Test (SPT) is a widely used geotechnical test used to estimate soil strength. A SPT hammer drives a split barrel sampler at the bottom of a drive rod and recovers soil samples.
Your answer would be 0.05
Your answer should be .323
You add the left side 2/7+2/7+2/7= 6/7
You add the right side 1/2+1/2+1/2+1/2+1/2+1/2= 6/2 and that equal 3 when simplified.
Now you multiply 6/7 * 3 =2.5 Letter D