Question

Express the following in the terms of ratios
a.The length of a rectangle is 3times to its breadth
b.For preparing tea 3cups of water required to 1 cu of milk ​

Answer 1

Answer:

A.The length of a rectangle is 3 times its breadth, if the length is decreased by 3 cm and the breadth increased by 5 cm the area of the rectangle is increased by 57 cm2 The perimeter of the rectangle is.

B.

A cup of tea has Water to Milk Ratio

W:M=3:1

where W and M are Water and Milk  

Now, 4 cups will have 4 times the Water and milk of a single cup.  

So, the ratio will be  

=  

1×4

3×4

​

 =  

4

12

​

 or 12:4.