Question

A forestry service person plants seedlings in a field. Each week, she monitors the field, recording the number of dead or dying seedlings and planting new seedlings. Her data for the 4 weeks in June include –14, 22, 16, –4. If the data are expected to remain consistent through 3 months of summer, how many overall seedlings will be in the field at the end of the 3 months?

a) 12 seedlings
b) 20 seedlings
c) 30 seedlings
d) 10 seedlings

Answer 1

The overall number of seedlings at the end of 3 months will be 20 seedlings.

Step-by-step explanation:

To find the overall number of seedlings at the end of 3 months, we need to calculate the net change in seedlings for each week and then add them up. The net change is calculated by subtracting the number of dead or dying seedlings from the number of newly planted seedlings each week.

Week 1: New seedlings -14, Week 2: New seedlings 22, Week 3: New seedlings 16, Week 4: New seedlings -4.

Net change: (-14 + 22 + 16 - 4) = 20 seedlings.

Therefore, the overall number of seedlings at the end of 3 months will be 20 seedlings.