Question

Solve
1)The area of a rectangle 80.75 sq m. If its length is 9.5 m. find its breadth
2)The product of two numbers is 128.25. If one number is 9.5. find the other
3)The cost of 5.5 kg apples is ₹464.75 find the cost of 1 kg apples.
4)If 1.2 kg of sugar costs 40.80. find the price of sugar per kg​

Answer 1

Answers:

1) Area of the rectangle = 80.75sq.m.(given)

Now, Area=l×b

So, 80.75=9.5×b

or, b=80.75/9.5

or, b= 8.5 m

2) Let the numbers be a and b.

Here a= 9.5

We are given that,

a×b = 128.25

or, 9.5×b = 128.25

or, b = 128.25/9.5

or, b = 13.5

3) The cost of 5.5 kg apples = ₹464.75

So,

The cost of 1 kg apples = ₹(464.75/5.5)

= ₹ 84.5

4) Cost of 1.2 kg of sugar = ₹40.80

So,

The cost of sugar per kg = ₹(40.80/1.2)

= ₹ 34

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Answer 2

Step-by-step explanation:

1)Area=80.75sq m

Length=9.5

Breadth=x

Area=length ×breadth

Breadth=area ÷length

B=80.75÷9.5

By division you will get your answer=

8.5

2)Product=128.25

One number=9.5

Other number=x

Product=one number ×other number

So,

Other number=product ÷one number

Other number=128.25÷9.5

By division you will get your answer=

13.5

3)Cost of 5.5kg apples=464.75

Cost of one kg apples=464.75÷5.5

By division you will get your cost of one kg apples=

84.5rupees

4)Cost of1.2kg sugar=40.80

Cost of per kg sugar=40.80÷1.2

By division you will get your cost of per kg sugar=

34rupees