Archie needs to lay sod in his backyard that measures 20 yards by 13 yards. He has a shed on it that measures 3 yards by 5 yards. How many square yards of sod will Archie need for his backyard?
Reason slowly and give your answer.
245
20 * 13 = 260 square yards.

3 * 5 = 15 square yards.

260 - 15 = 245 square yards.

Archie needs 245 square yards of sod.

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The answer is 245