Ratios to percentage

Chapter 7 Class 7 Comparing Quantities
Concept wise

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class

### Transcript

Example 9 If Rs 250 is to be divided amongst Ravi, Raju and Roy, so that Ravi gets two parts, Raju three parts and Roy five parts. How much money will each get? What will it be in percentages? Given, Ravi gets gets two parts, Raju three parts and Roy five parts So, Ravi : Raju : Roy = 2 : 3 : 5 Total parts = 2 + 3 + 5 = 10 Total money = Rs 250 Ravi Number of parts = 2 Total parts = 10 Money received = (ππ’ππππ ππ ππππ‘π )/(πππ‘ππ ππππ‘π ) Γ Total money = 2/10 Γ 250 = 2/1 Γ 25 = Rs 50 Percentage of money = 2/10 Γ 100% = 20% Raju Number of parts = 2 Total parts = 10 Money received = (ππ’ππππ ππ ππππ‘π )/(πππ‘ππ ππππ‘π ) Γ Total money = 3/10 Γ 250 = 3/1 Γ 25 = Rs 75 Percentage of money = 3/10 Γ 100% = 30% Roy Number of parts = 2 Total parts = 10 Money received = (ππ’ππππ ππ ππππ‘π )/(πππ‘ππ ππππ‘π ) Γ Total money = 5/10 Γ 250 = 5/1 Γ 25 = Rs 125 Percentage of money = 5/10 Γ 100% = 50%