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Kevin is planting 15 bushes and 9 trees in rows. If he wants to be exactly the same with no plants left over, what is the greatest number of rows Kevin can plant?​

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dvclee

Answer:

he could do 6 row of 4, 8 rows of 3, 12 rows of 2

Step-by-step explanation:

15+9=24

6*4=24

8*3=24

12*2=24

The greatest number of rows that Kevin can plant is 45 rows.

In this case, we have to find the first 9 multiples of both 15 and 9. This will be:

  • 9 = 9,, 18, 27, 36, 45, 54, 63, 72 and 81
  • 15 = 15, 30, 45, 60, 75, 90, 105, 120, and 135

  • The highest common multiple to both numbers is 45.

Therefore, the greatest number is 45.

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