How many window coverings are necessary to span 50 windows if each window covering is 15 windows long?

3 4 5 6?


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Solution: We have given that each covering is 15 windows long you need to calculate how many window coverings are necessary to span 50 windows.

The operation is a simple division: 50 ÷ 15 gives the number of times that 15 is contained in 50.

The result is 50÷15 = 3.33.

So, you need more than 3 coverings, and so take the next whole number, i.e. 4.

So, the answer is 4