Maharashtra Class 9 Answered
Total income of Ramesh,Suresh,preeti is 8,07,000 Rs.The percentage of their expenses are 75%,80%,90% respectively.If the ratio of their savings is 16:17:12,then find annual savings of each of them.
Asked by Jdjayle | 30 Nov, 2018, 06:19: PM
Expert Answer
Let income of Ramesh Rs.x, income of Suresh Rs.y and income of Preeti Rs.z
we have x+y+z = Rs. 8,07,000 ........................(1)
Percentage of Ramesh's expense 75%; savings 25%, hence his savings Rs. (25x/100 )
Percentage of Suresh's expense 80%; savings 20%, hence his savings Rs. (20x/100 )
Percentage of Preeti's expense 90% ; savings 10%, hence her savings Rs. (10x/100 )
.......................(2)
......................(3)
let us substitute for y and z using eqn.(2) and eqn.(3) in eqn.(1) and solve for x
from eqn.(4) and eqn.(2), we get y as :
from eqn.(4) and eqn.(3), we get z as :
Ramesh's savings = 192000×(25/100) = Rs.48000
Suresh's savings = 255000×(20/100) = Rs. 51000
Preeti's savings = 360000×(10/100) = Rs. 36000
Answered by Thiyagarajan K | 01 Dec, 2018, 12:03: AM
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