leahtoomer4 leahtoomer4

28-02-2021
Mathematics

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Type the missing number to complete the proportion.

21 plants in 7 rows = 39 plants in ? rows

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wegnerkolmp2741o wegnerkolmp2741o

28-02-2021

Answer:

13 rows

Step-by-step explanation:

We can write a proportion to solve

21 plants 39 plants

---------------- = ---------------

7 rows x rows

Using cross products

21x = 7 * 39

Divide each side by 21

21x/21 = 7 * 39/21

x =13

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