5. Real life usage of proportionality - I

The ratio of flour to sugar in a cake recipe is \(4 : 3\). Riya uses 28 cups of flour to prepare a larger cake. Find:

(i) The factor by which the flour has increased.

 

(ii) The amount of sugar required.

 

(iii) Write the proportional statement.

 

Ans: 

 

(i)

 

(ii) cups

 

(iii) \(4 : 3 : : 21 : 7\)\(4 : 3 : : 28 : 21\)\(4 : 3 : : 21 : 28\)\(4 : 3 : : 7 : 21\)