Question

Emily wants to plant flowers in her garden in a row that is 4.5 feet long. The flowers need to be

spaced at least 8 inches apart. How many plants should she buy for her garden?

Answer 1

7 plants

Explanation:

You want to know the number of plants that can be used to create a row 4.5 feet long if the minimum spacing between plants is 8 inches.

Spaces

The number of 8-inch spaces that can be put in a length of 4.5 feet is ...

(4.5 ft)(12 in/ft) / (8 in/space) = 54/8 spaces = 6 3/4 spaces

Between N plants, there will be N-1 spaces, so there is room enough for 6+1 = 7 plants.

Emily should buy 7 plants for her garden.

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