Concrete can be purchased by the cubic yard. how much will it cost to pour a slab 13 feet by 13 feet by 3 inches for a patio if the concrete costs $42.00 per cubic yard? answer only if you know the answer $197.17 $1774.50 $295.75 $65.72

$65.72

Since the cost is per cubic yard convert the dimensions into yards

• 3 feet = 1 yard ⇔ 13 feet = yards and

• 36 inches = 1 yard ⇒ 3 inches = = yard

volume = × × =

cost = $42 × = $65.72

= 1.56 cubic yards * = $65.72

D

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