Question

You are spreading fertilizer on a golf course at the rate of 40 pounds per 10,000 square feet. If the course is 320 acres, how many tons of fertilizer will be needed?How many tons of fertilizer will be needed? Round off to nearest whole number.
a.)6
b.)28
c.)80
d.)174

Answer 1

1 Acre = 43560 square feet 
1 Ton = 2000 pounds

320 Acres = 320 * 43560 square feet = 13939200 = 1393.92 * 10,000

1393.92 *40 pounds needed = 55756.8
55756.8 / 2000= 27.8784 

Answer 2

1 Acre = 43560 square feet 1 Ton = 2000 pounds320 Acres = 320 * 43560 square feet = 13939200 = 1393.92 * 10,000
1393.92 *40 pounds needed = 55756.8
55756.8 / 2000= 27.8784