A groundskeeper needs grass seed to cover a circular field 290 ft in diameter. a store sell 50 lb bags of grass seed. 1 lb of grass seed covers about 400 square feet of field. w…

Question

asked Jul 3, 2023 87.9k views

1 Answer

Sanny Sin · Answer 1 · 2023-07-09T11:02:57+0000

The diameter of circular field is 290ft .

The area of circular field is

$A=\Pi(r^2)^{}$
$A=\Pi(145)^2=66018.5ft^2$

It is given that 1 lb of grass seed covers about 400 square feet of field.

The smallest number of bags he should buy is

$(66018.5)/(400)=165\text{ bags}$