Question

Kiran saves 10% of his total salary. Next year he increases his expenses by 20% but his savings remain same. What is the percentage increase in salary next year​

Answer 1

Answer:

10%

Step-by-step explanation:

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Answer 2

Answer:

The percentage increase in salary next year​ = 0.96y

Step-by-step explanation:

%change = (Increase/Initial) × 100

% increase = (100% + increased%)/100 × Initial value

Total saving is 20% of y = 0.2y

     Income – Saving

     y – 0.2y

     0.8y

Total income increased by 30% is

% increase = (100% + increase)/100 × Initial value

     % increase = (100% + 30%)/100 × y

     % increase = (130/100) × y

     % increase = 1.3y

Total expenditure increased by 20%

     % increase = (100% + increase)/100 × Initial value

     % increase = (100% + 20%)/100 × 0.8y

     % increase = (120/100) × 0.8y

     % increase = 0.96y

The percentage increase in salary next year​ = 0.96y

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