Question

Use the Metric and U.S. Conversion table to find the conversion factor(s).(a) How many rows 30 in. apart can be planted in a rectangular field 3,400 ft long and 2,900 ft wide? The rows run lengthwise. (Round your answer to exactly three significant digits.)(b) Suppose seed corn is planted at 20 lb/acre. How many bushels of seed corn will be needed to plant the field? (A=l W, 1 bu of corn weighs 56 lb. Round your answer to exactly three significant digits.)(c) Suppose 1 lb of seed corn contains 1,200 kernels. How many bags, each containing 80,000 kernels, will be needed? (Assume you can only buy a whole number of bags.)

Answer 1

Answer:

1360 rows

Explanation:

The dimensions of the rectangular field are 3,400 ft long and 2,900 ft wide.

The standard conversion factor: 1 foot = 12 inches

Therefore:

$3400ft=3400\times12=40,800\text{ inches}$

Since the rows run lengthwise, we divide to obtain the number of rows.

$\begin{gathered} \text{Number of rows=}\frac{40,800}{30} \\ =1360\text{ rows} \end{gathered}$

We can plant 1,360 rows lengthwise on the rectangular field.