Charles has decided to plant grapes in a garden behind his house. His neighbor Buddy has grown grapes successfully for a long time and has given Charles advice about how to plant vines. Buddy told him to plant them three meters apart in rows that are three meters apart. He also told him to leave at least three meters between each vine and the edge of the garden. Charles has measured the size of his garden and learned that is a rectangle with sides 25 meters and 35 meters. How many vines should Charles buy?

Charles ought to buy 60 vines.

Explanation:

Step 1:

Remove 3 meters from each side (lenght and breadth of the garden)

Because Buddy told Charles to leave at least three meters between each vine and the edge of the garden.  

Old Lenth = 35 Meters Less 6 meters (being 3 meters from each side)

Old Breadth = 25 Meters Less 6 meters (being 3 meters from each side)

New Length = 29 Meters

New Breadth = 19 Meters

Step 2:

Because the vine has to be planted 3 meters apart in each point we divide both length and breadth by 3.

Vines to be planted along the Lenght = 29/3 = 9.6 which is approximately 10 vines on the lenght

Vines to be planted along the Breadth = 19/3 = 6.3 which is approximately 6 vines on the breadth.

Step 3:

Total vines Charles to ought to buy will be arrived at by getting the product of both values from Step 2.

That is 10 x 6 = 60 vines.

Cheers!

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