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What is the ratio 3 ft to 7 yd as a fraction in simplest form?
1/7
Is 12 ft greater than 4 yd?
No because 4 yards equals 12 feet
Is 4 ft bigger or smaller than 50 in?
smaller
How much concrete is needed for a slab 2400 square feet by 4 inches thick?
2400 sq. ft. Divided by 3 (1/3 ft thick) = 800 cu ft 800 / 27 (27 cu ft per cu yd) = 29.63 cu yds Order 31 to 33 yds depending on how accurate your 4" are. Dan
How many yards of concrete will cover 500 square feet at 4 inches thick?
a 'yard' of concrete means 1 cubic yard volume (1 yd * 1 yd * 1 yd).This is 3 ft * 3 ft * 3 ft = 27 ft34 in = (1/3) ftYour coverage of 500 ft2 * 4 in = 500 ft2 * (1/3) ft = (500/3) ft3 166.6667 ft3so (166.66667 ft3 ) / ( 27 ft3 ) = 6.1728395 yards of concreteAnswerthats way too difficult for my simple brain try this sq' x 0.0031 x # of inches500 sq' x 0.0031 x 4= 6.2 yardsOkay lets make it simple .... I dont even understand there answer . Okay... multiply your length and width so lets just say 10' x 50' = 500 sq ft then take 500 and then divide it by 81 (81 is 81 sq ft witch is a yard of concrete at 4 inches) = 6.1728395 so if ordering concrete you'll need 6.25 yards to complete your project.
