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Henry is building a fence. He uses 24 nails to secure 3 boards to the fence posts. At this rate, how many nails will Henry use to secure 21 boards to the fence posts?

Sagot :

9514 1404 393

Answer:

  168

Step-by-step explanation:

At that rate, Henry will use 7 times as many nails to secure 7 times as many boards.

  boards : nails = 3 : 24 = 21 : 168

Henry will use 168 nails.

Answer:

168

Step-by-step explanation:

took the test i guess