Question

A gardener has 1220 plants .He wants to plant

these in such a way that the number of rows and the

number of columns remain same .Find the minimum

number of plants he needs more for this .​

Answer 1

refer to the given attachment....

hope it helps you......

Answer 2

Answer:

The number of plants the Gardener needs is 5

Step-by-step explanation:

Given: total plants = 1220

And number of rows is equal to the number of column

let the number of rows = x

let the number of columns = x

now,

total plants = number of rows X number of columns

1220= x X x

1220= x^2

x^2= 1220

x= √1220

Finding square root of 1220 using long division

here,

Reminder =64

so, Given that

he want to plant these in such a way that the number of rows and the number of columns remain same, we need to find the minimum number of plants he needs more for this.

we need to find

the least number that must be added to 1220 so as to get a perfect square

Now,

34^2< 1220<35^2

Thus, we add 35^2-1220 to the number

therefore the number to be added = 35^2 - 1220

= 1225-1220

= 5

Therefore the Gardner needs 5 more plants .

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