Two students, Student 1 and Student 2, did a hands-on mining…

Two students, Student 1 and Student 2, did a hands-on mining exercise with cookies to compare the total cost of mining in two different land areas using different equipment. The table below shows the costs of land, equipment, mining, and reclamation for the two students. Students Cost of land Cost of equipment Cost of mining and reclamation Time taken to mine the area 1 $5 $2 $2.00 per minute 5 minutes 2 $4 ? $2.00 per minute 6 minutes If the sum of the total mining costs for Student 1 and Student 2 is $40, what is the cost of equipment for Student 2? (4 points)

Diana observed that the plants in her garden were not growin…

Diana observed that the plants in her garden were not growing well due to poor soil conditions. She tested the soil and used the soil triangle shown below to conclude that if sand is added to the soil, it will become balanced with 33% sand, 33% clay, and 33% silt. Which of these was most likely the original type of soil on Diana’s garden? (4 points)