A lawn is in shape of a trapezoid with a height of 70 feet and bases of 40 feet and 160 feet how many bags of fertilizer must be purchased to cover the lawn if each bag cover 6000 ft.²
Simply find the area of a trapezoid which is (b + b)/2 × h leaving the answer to 7000 ft²... then simply subtract 6000ft² and get 1000ft² left..which would be ⅙ bag left...