The ratio of expenditure of a b c is 16:12:9.Their total income is rs.1530.Find the share of b income if they save 20% 25% 40% of the income
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480 is share of income of b if The ratio of expenditure of a b c is 16:12:9.Their total income is rs.1530 and they save 20% 25% 40% of the income
Step-by-step explanation:
The ratio of expenditure of a b c is 16:12:9.
Let say a expenditure = 16E
then b expenditure = 12E
c expenditure = 9E
Income of a , b , c are a , b & c respectively
=> a + b + c = 1530 Rs
a save 20 % => Saving = (20/100)a = 0.2a
Expenditure = a - 0.2a = 0.8a
0.8a = 16E
=> a = 20E
b save 25 % => Saving = (25/100)b = 0.25b
Expenditure = b - 0.25b = 0.75b
0.75b = 12E
=> b = 16E
c save 40 % => Saving = (40/100)c = 0.4c
Expenditure = c - 0.4c = 0.6c
0.6c = 9E
=> c = 15E
a + b + c = 1530
=> 20E + 16E + 15E = 1530
=> 51E = 1530
=> E = 30
b = 16E = 16 * 30 = Rs 480
share of b income = Rs 480
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