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. 6 28 80 174
Use unit analysis to help get the right answer. 40 (pounds/square feet) times ___?___(square feet / acre) time 320 (acre) times 1 (ton / 2000 pound) = ________ tons You can google how many square feet in an acre. so.... the pounds (lbs) acre and square feet cancel out leaving tons 40 (lbs/sq ft) x ____?____ (sq ft/acre) x 320 (acre) x 1/2000 (ton/lbs) = ______ tons
im confused
@taylorclaudio
i think its 28
thank u
if i did my math correctly:)
uh oh
I missed part of the question in my formula.... the correct rate of application is 40/10000 lbs/sq feet I only had the 40 Use unit analysis to help get the right answer. 40/10000 (pounds/square feet) times ___?___(square feet / acre) time 320 (acre) times 1 (ton / 2000 pound) = ________ tons You can google how many square feet in an acre. 43560 sq feet/acre so.... the pounds (lbs) acre and square feet cancel out leaving tons 40/10000 (lbs/sq ft) x 43560 (sq ft/acre) x 320 (acre) x 1/2000 (ton/lbs) = 27.88 tons
Join our real-time social learning platform and learn together with your friends!