SOLUTION: Your lawn is 120 feet wide and 360 feet long. How many bags of fertilizer must you purchase to spread on your lawn if each bag will cover 400 square yards? answer in exact form wit

Question 735742: Your lawn is 120 feet wide and 360 feet long. How many bags of fertilizer must you purchase to spread on your lawn if each bag will cover 400 square yards? answer in exact form with radicals or pi. the answer is 12 bags. explain how you get the answer.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
One ratio is given: 1 bag = 400 yd^2; but the lawn measurements are in feet. Decide if you want to do calculations using yards or in feet. That is YOUR choice. Another ratio needed is 3 feet = 1 yard.

Start from lawn area and use a chain of ratios to find how many bags of fertilizer. Here is maybe the most direct way to go:

Bags

Check how the units work. The ratios need to be used so that the units work correctly.

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