If four people are needed to construct a wall, how many people are needed to construct four such walls in the same time?

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Solution

The correct option is C 16
Number of people needed for one wall = 4

Number of people needed for four walls is equal to four times the number of people needed for one wall.

Number of people needed for four walls = $4 \times 4$

Number of people needed for four walls = 16

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If four people are needed to construct a wall, how many people are needed to construct four such walls in the same time?

The correct option is C 16Number of people needed for one wall = 4 Number of people needed for four walls is equal to four times the number of people needed for one wall. Number of people needed for four walls = 4×4 Number of people needed for four walls = 16

The correct option is C 16
Number of people needed for one wall = 4

Number of people needed for four walls is equal to four times the number of people needed for one wall.

Number of people needed for four walls = $4 \times 4$

Number of people needed for four walls = 16