Question

a saves 20% of his income his income is increased by 20% and he increased his expenditure by 30% what is the percentage change in its savings​

Answer 1

Answer:20+30+40 =90

90÷100 = 9/10

Step-by-step explanation:

Answer 2

Answer:

13.3

Step-by-step explanation:

a income -100

a saying -20

remaining are expenditure which is 80

a income increased by 20

expenditure increased by 30%

then expenditure=30%of 80= 104

balance are savings=16

for income 120 the savingis 16

then for 100 the saving% is 13.3