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Question:

The distance from Mark’s house to Peter’s house is 12 yards, 1 foot and 17 inches. How far apart are the houses, in inches?

A 461
Explaination

Since there are 36 inches in a yard, 12 yards is the same as 12 × 36 = 432 inches. In the same way, 1 foot contains 12 inches, and the total distance is 432 inches + 12 inches + 17 inches = 461 inches.